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Diene

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anion is stabilized by resonance. This effect becomes more pronounced as more alkenes are involved to create greater stability. For example, deprotonation at position 3 of a 1,4-diene or position 5 of a 1,3-diene give a
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Hayashi T, Ueyama K, Tokunaga N, Yoshida K (2003). "A Chiral Chelating Diene as a New Type of Chiral Ligand for Transition Metal Catalysts: Its Preparation and Use for the Rhodium-Catalyzed Asymmetric 1,4-Addition".
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are labile. In some cases, dienes are spectator ligands, remaining coordinated throughout a catalytic cycle and influencing the product distributions.
1579: 1100: 1171: 637: 1619: 1140: 596:. In some cases they serve as placeholder ligands, being removed during a catalytic cycle. For example, the cyclooctadiene ("cod") ligands in 1665: 1680: 1675: 1660: 1245: 1749: 1718: 1497: 1487: 1372: 1754: 1733: 1728: 1512: 1507: 1502: 1492: 1387: 1382: 1377: 1367: 1033: 874: 613: 722:"2,6-Dichloro-9-thiabicyclo[3.3.1]nonane: Multigram Display of Azide and Cyanide Components on a Versatile Scaffold" 497: 160:. As a subunit of more complex molecules, dienes occur in naturally occurring and synthetic chemicals and are used in 684: 120: 70: 213:
double bonds separated by one single bond. Conjugated dienes are more stable than other dienes because of resonance.
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by both 1,2-addition and 1,4-addition pathways. Addition of polar reagents can generate complex architectures:
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of conjugated dienes. For example, 1,5-cyclooctadiene and 4-vinylcyclohexene are produced by dimerization of
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Dienes can be divided into three classes, depending on the relative location of the double bonds:
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which replace unsaturated carbon atoms, giving structures that could more specifically be called
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have the double bonds separated by two or more single bonds. They are usually less stable than
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anion. An even greater effect is seen if the anion is aromatic, for example, deprotonation of
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and 1,9-decadiene, useful crosslinking agents and synthetic intermediates, are produced from
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This article is about organic chemicals. For the surname "Diene" used in West Africa, see
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have the double bonds sharing a common atom. The result is more specifically called an
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In the laboratory, more directed and more delicate processes are employed such as
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Díaz, David Díaz; Converso, Antonella; Sharpless, K. Barry; Finn, M. G. (2006).
701: 2239: 2234: 2199: 2150: 2056: 1028: 1018: 447: 435: 2323: 1916: 1723: 1713: 1209: 834: 646:, 2nd ed. (the "Gold Book") (1997). Online corrected version: (2006–) " 402: 360: 272: 256: 30: 655: 2022: 1986: 1882: 1655: 1645: 1554: 1544: 1534: 1075: 1065: 1055: 842: 795: 759: 371: 20: 231: 2070: 2027: 2000: 1934: 1897: 1816: 1670: 1650: 1637: 1569: 1564: 1559: 1549: 1539: 1526: 1357: 1090: 1085: 1080: 1070: 1060: 1047: 883: 550: 526: 451: 410: 398: 251:, also known as 2-methyl-1,3-butadiene, the precursor to natural rubber. 138: 2129: 2017: 1821: 1708: 1698: 1627: 1362: 1184: 1179: 1154: 1008: 998: 375: 367: 294: 787: 2134: 1872: 1841: 1831: 1826: 1703: 1431: 1219: 1214: 993: 740: 719: 601: 289: 181: 434:
The most heavily practiced reaction of alkenes, dienes included, is
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dienes have also been described. Other diene complexes include
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Compounds that contain more than two double bonds are called
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Lionel Delaude; Alfred F. Noels (2005). "Metathesis".
121: 112: 106: 71: 62: 100: 88: 53: 462:An important reaction for conjugated dienes is the 94: 50: 316:On an industrial scale, butadiene is prepared by 2321: 413:, respectively. The catalyst is derived from Re 293:definition, a "diene" could include one or more 275:, a strained bicyclic and unconjugated diene. 223:conjugated dienes. This can also be known as an 16:Covalent compound that contains two double bonds 901: 669:Kirk-Othmer Encyclopedia of Chemical Technology 811:"Chiral Diene Ligands in Asymmetric Catalysis" 702:"9-Thiabicyclo[3.3.1]nonane-2,6-dione" 633: 631: 629: 868: 308:. Polyenes and dienes share many properties. 809:Huang, Yinhua; Hayashi, Tamio (2022-09-28). 808: 515:reactions. These reactions require a metal 626: 477: 875: 861: 540:The position adjacent to a double bond is 454:is related but it is a synthetic monomer. 749: 739: 699: 563: 511:Nonconjugated dienes are substrates for 324:. In a similarly non-selective process, 230: 25: 506: 482:Conjugated dienes add reagents such as 259:, a precursor to synthetic polymers. 2322: 424: 311: 856: 614:cyclooctadiene rhodium chloride dimer 397:. They are prepared industrially by 438:. 1,3-Butadiene is a precursor to 243:, is the simplest cumulated diene. 13: 643:Compendium of Chemical Terminology 14: 2341: 660: 588:Dienes are widely used chelating 457: 429: 347:have been developed, such as the 882: 525: 496: 401:of cyclic dienes. For example, 239:: 1,2-Propadiene, also known as 152:units, with the standard prefix 84: 46: 677:10.1002/0471238961.metanoel.a01 381:α,ω-Dienes have the formula (CH 802: 766: 693: 610:cyclobutadieneiron tricarbonyl 1: 619: 583: 145:atoms. They thus contain two 598:bis(cyclooctadiene)nickel(0) 7: 827:10.1021/acs.chemrev.2c00218 606:(butadiene)iron tricarbonyl 10: 2346: 716:, vol. 9, p. 692 535: 187: 168:dienes are widely used as 18: 2286: 2248: 2222: 2187: 2143: 2115: 2078: 2069: 2036: 2008: 1999: 1979: 1942: 1933: 1915: 1850: 1807: 1798: 1787: 1742: 1689: 1636: 1618: 1578: 1525: 1480: 1424: 1400: 1350: 1294: 1271: 1258: 1238: 1170: 1139: 1099: 1046: 986: 925: 890: 594:organometallic chemistry 478:Other addition reactions 671:. Weinheim: Wiley-VCH. 656:10.1351/goldbook.D01699 513:ring-closing metathesis 158:systematic nomenclature 2210:1,3,5-Triheptylbenzene 580: 559:cyclopentadienyl anion 544:because the resulting 284: 33: 2205:1,3,5-Triethylbenzene 575:diene ligand used in 567: 234: 29: 1608:Isopropylcyclohexene 1190:Perhydrophenanthrene 1129:Isopropylcyclohexane 577:asymmetric catalysis 507:Metathesis reactions 464:Diels–Alder reaction 446:is the precursor to 337:dehydrohalogenations 178:Polyunsaturated fats 2304:Alicyclic compounds 2117:Tetramethylbenzenes 821:(18): 14346–14404. 782:(38): 11508–11509. 472:Danishefsky's diene 442:used in tires, and 425:Reactivity and uses 312:Synthesis of dienes 217:Unconjugated dienes 180:are of interest to 2261:Cyclopropenylidene 1598:Methylcyclopentene 1588:Methylcyclopropene 1119:Methylcyclopentane 1109:Methylcyclopropane 581: 407:1,5-cyclooctadiene 285: 265:1,5-Cyclooctadiene 137:that contains two 34: 2317: 2316: 2282: 2281: 2218: 2217: 2195:Hexamethylbenzene 2183: 2182: 2065: 2064: 2010:Trimethylbenzenes 1995: 1994: 1911: 1910: 1783: 1782: 1770:Cyclododecatriene 1765:Cyclooctatetraene 1603:Methylcyclohexene 1593:Methylcyclobutene 1580:Alkylcycloalkenes 1521: 1520: 1396: 1395: 1254: 1253: 1124:Methylcyclohexane 1114:Methylcyclobutane 1101:Alkylcycloalkanes 1042: 1041: 788:10.1021/ja037367z 714:Collected Volumes 707:Organic Syntheses 366:Diene-containing 328:is obtained from 326:dicyclopentadiene 287:According to the 281:Dicyclopentadiene 207:Conjugated dienes 162:organic synthesis 135:covalent compound 38:organic chemistry 2337: 2274:-Propenylbenzene 2076: 2075: 2006: 2005: 1940: 1939: 1931: 1930: 1805: 1804: 1796: 1795: 1481:Branched alkynes 1422: 1421: 1351:Branched alkenes 1292: 1291: 1269: 1268: 1172:Polycycloalkanes 1157:(bicycloheptane) 1151:(bicyclopentane) 987:Branched alkanes 923: 922: 899: 898: 877: 870: 863: 854: 853: 847: 846: 815:Chemical Reviews 806: 800: 799: 776:J. Am. Chem. Soc 770: 764: 763: 753: 743: 741:10.3390/11040212 717: 710: 697: 691: 690: 664: 658: 635: 529: 500: 468:natural products 349:Whiting reaction 318:thermal cracking 197:Cumulated dienes 141:, usually among 125: 119: 118: 115: 114: 111: 108: 105: 102: 99: 96: 93: 90: 74: 69: 68: 65: 64: 61: 58: 55: 52: 2345: 2344: 2340: 2339: 2338: 2336: 2335: 2334: 2320: 2319: 2318: 2313: 2309:Petroleum jelly 2278: 2266:Phenylacetylene 2244: 2214: 2179: 2175:Isobutylbenzene 2139: 2111: 2061: 2032: 1991: 1975: 1929: 1907: 1846: 1790: 1779: 1738: 1685: 1632: 1614: 1574: 1517: 1476: 1418: 1410: 1404: 1392: 1346: 1288: 1281: 1275: 1264: 1262: 1250: 1234: 1166: 1163:(bicyclodecane) 1135: 1095: 1038: 1004:3-Methylpentane 982: 919: 911: 905: 894: 892: 886: 881: 851: 850: 807: 803: 771: 767: 712: 698: 694: 687: 665: 661: 636: 627: 622: 586: 572: 555:cyclopentadiene 538: 509: 480: 460: 432: 427: 420: 416: 396: 392: 388: 384: 353:oligomerization 314: 190: 123: 87: 83: 72: 49: 45: 24: 17: 12: 11: 5: 2343: 2333: 2332: 2315: 2314: 2312: 2311: 2306: 2301: 2296: 2290: 2288: 2284: 2283: 2280: 2279: 2277: 2276: 2268: 2263: 2258: 2252: 2250: 2246: 2245: 2243: 2242: 2240:4-Vinyltoluene 2237: 2235:Divinylbenzene 2232: 2226: 2224: 2220: 2219: 2216: 2215: 2213: 2212: 2207: 2202: 2200:2-Phenylhexane 2197: 2191: 2189: 2185: 2184: 2181: 2180: 2178: 2177: 2172: 2164: 2156: 2147: 2145: 2141: 2140: 2138: 2137: 2132: 2127: 2121: 2119: 2113: 2112: 2110: 2109: 2101: 2093: 2084: 2082: 2073: 2067: 2066: 2063: 2062: 2060: 2059: 2057:4-Ethyltoluene 2054: 2052:-Propylbenzene 2046: 2040: 2038: 2034: 2033: 2031: 2030: 2025: 2020: 2014: 2012: 2003: 1997: 1996: 1993: 1992: 1990: 1989: 1983: 1981: 1977: 1976: 1974: 1973: 1965: 1957: 1948: 1946: 1937: 1928: 1927: 1921: 1919: 1913: 1912: 1909: 1908: 1906: 1905: 1900: 1895: 1890: 1885: 1880: 1875: 1870: 1865: 1860: 1854: 1852: 1848: 1847: 1845: 1844: 1839: 1834: 1829: 1824: 1819: 1813: 1811: 1802: 1793: 1785: 1784: 1781: 1780: 1778: 1777: 1772: 1767: 1762: 1757: 1752: 1746: 1744: 1740: 1739: 1737: 1736: 1731: 1726: 1721: 1716: 1711: 1706: 1701: 1695: 1693: 1687: 1686: 1684: 1683: 1678: 1673: 1668: 1663: 1658: 1653: 1648: 1642: 1640: 1634: 1633: 1631: 1630: 1624: 1622: 1620:Bicycloalkenes 1616: 1615: 1613: 1612: 1610: 1605: 1600: 1595: 1590: 1584: 1582: 1576: 1575: 1573: 1572: 1567: 1562: 1557: 1552: 1547: 1542: 1537: 1531: 1529: 1523: 1522: 1519: 1518: 1516: 1515: 1510: 1505: 1500: 1495: 1490: 1484: 1482: 1478: 1477: 1475: 1474: 1469: 1464: 1459: 1454: 1449: 1444: 1439: 1434: 1428: 1426: 1425:Linear alkynes 1419: 1412: 1406: 1398: 1397: 1394: 1393: 1391: 1390: 1385: 1380: 1375: 1370: 1365: 1360: 1354: 1352: 1348: 1347: 1345: 1344: 1339: 1334: 1329: 1324: 1319: 1314: 1309: 1304: 1298: 1296: 1295:Linear alkenes 1289: 1283: 1277: 1266: 1256: 1255: 1252: 1251: 1249: 1248: 1242: 1240: 1236: 1235: 1233: 1232: 1227: 1222: 1217: 1212: 1207: 1202: 1197: 1192: 1187: 1182: 1176: 1174: 1168: 1167: 1165: 1164: 1158: 1152: 1145: 1143: 1141:Bicycloalkanes 1137: 1136: 1134: 1133: 1131: 1126: 1121: 1116: 1111: 1105: 1103: 1097: 1096: 1094: 1093: 1088: 1083: 1078: 1073: 1068: 1063: 1058: 1052: 1050: 1044: 1043: 1040: 1039: 1037: 1036: 1031: 1026: 1021: 1016: 1011: 1006: 1001: 996: 990: 988: 984: 983: 981: 980: 975: 970: 965: 960: 955: 950: 945: 940: 935: 929: 927: 926:Linear alkanes 920: 913: 907: 896: 888: 887: 880: 879: 872: 865: 857: 849: 848: 801: 765: 734:(4): 212–218. 700:Roger Bishop. 692: 685: 659: 624: 623: 621: 618: 585: 582: 570: 537: 534: 533: 532: 531: 530: 508: 505: 504: 503: 502: 501: 479: 476: 459: 458:Cycloadditions 456: 448:natural rubber 436:polymerization 431: 430:Polymerization 428: 426: 423: 418: 414: 394: 390: 386: 382: 372:biosynthesized 313: 310: 229: 228: 214: 204: 189: 186: 15: 9: 6: 4: 3: 2: 2342: 2331: 2328: 2327: 2325: 2310: 2307: 2305: 2302: 2300: 2297: 2295: 2292: 2291: 2289: 2285: 2275: 2273: 2269: 2267: 2264: 2262: 2259: 2257: 2254: 2253: 2251: 2247: 2241: 2238: 2236: 2233: 2231: 2228: 2227: 2225: 2223:Vinylbenzenes 2221: 2211: 2208: 2206: 2203: 2201: 2198: 2196: 2193: 2192: 2190: 2186: 2176: 2173: 2171: 2170:-Butylbenzene 2169: 2165: 2163: 2162:-Butylbenzene 2161: 2157: 2155: 2154:-Butylbenzene 2153: 2149: 2148: 2146: 2142: 2136: 2133: 2131: 2128: 2126: 2123: 2122: 2120: 2118: 2114: 2108: 2106: 2102: 2100: 2098: 2094: 2092: 2090: 2086: 2085: 2083: 2081: 2077: 2074: 2072: 2068: 2058: 2055: 2053: 2051: 2047: 2045: 2042: 2041: 2039: 2035: 2029: 2026: 2024: 2021: 2019: 2016: 2015: 2013: 2011: 2007: 2004: 2002: 1998: 1988: 1985: 1984: 1982: 1978: 1972: 1970: 1966: 1964: 1962: 1958: 1956: 1954: 1950: 1949: 1947: 1945: 1941: 1938: 1936: 1932: 1926: 1923: 1922: 1920: 1918: 1917:Alkylbenzenes 1914: 1904: 1901: 1899: 1896: 1894: 1891: 1889: 1886: 1884: 1881: 1879: 1876: 1874: 1871: 1869: 1866: 1864: 1861: 1859: 1856: 1855: 1853: 1849: 1843: 1840: 1838: 1835: 1833: 1830: 1828: 1825: 1823: 1820: 1818: 1815: 1814: 1812: 1810: 1806: 1803: 1801: 1797: 1794: 1792: 1786: 1776: 1773: 1771: 1768: 1766: 1763: 1761: 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703: 696: 688: 686:0-471-23896-1 682: 678: 674: 670: 663: 657: 653: 649: 645: 644: 639: 634: 632: 630: 625: 617: 615: 611: 607: 603: 599: 595: 591: 578: 574: 566: 562: 560: 556: 552: 547: 543: 528: 524: 523: 522: 521: 520: 518: 514: 499: 495: 494: 493: 492: 491: 489: 485: 475: 473: 469: 465: 455: 453: 449: 445: 441: 437: 422: 412: 408: 404: 403:1,5-hexadiene 400: 379: 377: 373: 369: 364: 362: 361:1,3-butadiene 358: 354: 350: 346: 342: 341:condensations 338: 333: 331: 327: 323: 319: 309: 307: 302: 300: 296: 292: 291: 282: 278: 274: 273:Norbornadiene 270: 266: 262: 258: 257:1,3-Butadiene 254: 250: 246: 242: 238: 235:Some dienes: 233: 226: 222: 218: 215: 212: 208: 205: 202: 198: 195: 194: 193: 185: 183: 179: 175: 171: 167: 163: 159: 155: 151: 150: 144: 140: 136: 132: 128: 127: 117: 81: 77: 76: 67: 43: 39: 32: 31:1,3-butadiene 28: 22: 2271: 2167: 2159: 2151: 2104: 2096: 2088: 2049: 2023:Pseudocumene 1987:Ethylbenzene 1968: 1960: 1952: 1883:Phenanthrene 1791:hydrocarbons 1690: 1666:Cycloheptyne 1656:Cyclopentyne 1646:Cyclopropyne 1638:Cycloalkynes 1555:Cycloheptene 1545:Cyclopentene 1535:Cyclopropene 1527:Cycloalkenes 1414: 1407: 1285: 1278: 1265:hydrocarbons 1246:Spiroalkanes 1076:Cycloheptane 1066:Cyclopentane 1056:Cyclopropane 1048:Cycloalkanes 915: 908: 895:hydrocarbons 884:Hydrocarbons 818: 814: 804: 779: 775: 768: 731: 725: 713: 705: 695: 668: 662: 641: 587: 557:to give the 539: 510: 481: 461: 433: 421:on alumina. 380: 365: 357:dimerization 334: 315: 303: 299:heterodienes 298: 288: 286: 276: 268: 260: 252: 244: 236: 224: 216: 206: 196: 191: 153: 148: 139:double bonds 130: 79: 41: 35: 21:Serer people 2071:C4-Benzenes 2028:Hemellitene 2001:C3-Benzenes 1935:C2-Benzenes 1898:Corannulene 1817:Naphthalene 1681:Cyclodecyne 1676:Cyclononyne 1671:Cyclooctyne 1661:Cyclohexyne 1651:Cyclobutyne 1570:Cyclodecene 1565:Cyclononene 1560:Cyclooctene 1550:Cyclohexene 1540:Cyclobutene 1260:Unsaturated 1091:Cyclodecane 1086:Cyclononane 1081:Cyclooctane 1071:Cyclohexane 1061:Cyclobutane 551:pentadienyl 452:Chloroprene 411:cyclooctene 399:ethenolysis 368:fatty acids 295:heteroatoms 2130:Prehnitene 2018:Mesitylene 1873:Circulenes 1822:Anthracene 1750:Alkatriene 1719:Heptadiene 1709:Pentadiene 1699:Propadiene 1628:Norbornene 1498:Isoheptyne 1488:Isopentyne 1373:Isoheptene 1363:Isopentene 1185:Diamondoid 1180:Adamantane 1155:Norbornane 1019:Isoheptane 1009:Neopentane 999:Isopentane 620:References 584:As ligands 573:-symmetric 376:acetyl CoA 343:. Myriad 211:conjugated 176:industry. 166:Conjugated 2299:Annulynes 2294:Annulenes 2135:Isodurene 1868:Helicenes 1842:Heptacene 1832:Pentacene 1827:Tetracene 1755:Alkadiyne 1734:Decadiene 1729:Nonadiene 1724:Octadiene 1714:Hexadiene 1704:Butadiene 1513:Isodecyne 1508:Isononyne 1503:Isooctyne 1493:Isohexyne 1388:Isodecene 1383:Isononene 1378:Isooctene 1368:Isohexene 1358:Isobutene 1263:aliphatic 1220:Churchane 1215:Basketane 1034:Isodecane 1029:Isononane 1024:Isooctane 1014:Isohexane 994:Isobutane 893:aliphatic 891:Saturated 835:0009-2665 727:Molecules 330:coal tars 290:Gold Book 182:nutrition 131:alkadiene 2324:Category 1903:Kekulene 1888:Chrysene 1878:Butalene 1863:Fluorene 1837:Hexacene 1789:Aromatic 1760:Cumulene 1230:Twistane 1225:Pagodane 1205:Prismane 843:35972018 796:13129348 760:17962753 517:catalyst 488:hydrogen 444:isoprene 306:polyenes 249:Isoprene 225:isolated 221:isomeric 170:monomers 80:diolefin 78:); also 2256:Benzene 2230:Styrene 2107:-Cymene 2099:-Cymene 2091:-Cymene 2080:Cymenes 1971:-Xylene 1963:-Xylene 1955:-Xylene 1944:Xylenes 1925:Toluene 1858:Azulene 1457:Heptyne 1447:Pentyne 1437:Propyne 1402:Alkynes 1327:Heptene 1317:Pentene 1307:Propene 1273:Alkenes 1195:Sterane 1161:Decalin 1149:Housane 963:Heptane 953:Pentane 943:Propane 933:Methane 903:Alkanes 751:6148556 590:ligands 536:Acidity 484:bromine 470:(e.g., 345:methods 322:butanes 188:Classes 174:polymer 172:in the 133:) is a 126:-lə-fin 2330:Dienes 2125:Durene 2044:Cumene 1893:Pyrene 1809:Acenes 1691:Dienes 1472:Decyne 1467:Nonyne 1462:Octyne 1452:Hexyne 1442:Butyne 1432:Ethyne 1342:Decene 1337:Nonene 1332:Octene 1322:Hexene 1312:Butene 1302:Ethene 1200:Cubane 978:Decane 973:Nonane 968:Octane 958:Hexane 948:Butane 938:Ethane 841:  833:  794:  758:  748:  683:  648:dienes 612:, and 602:Chiral 542:acidic 440:rubber 389:(CH=CH 241:allene 227:diene. 201:allene 143:carbon 2287:Other 2272:trans 2249:Other 2188:Other 2144:Other 2037:Other 1980:Other 1851:Other 1775:Enyne 1743:Other 1239:Other 638:IUPAC 546:allyl 374:from 209:have 129:) or 42:diene 2168:tert 1800:PAHs 839:PMID 831:ISSN 792:PMID 756:PMID 681:ISBN 486:and 409:and 370:are 355:and 339:and 75:-een 40:, a 2160:sec 1417:− 2 918:+ 2 823:doi 819:122 784:doi 780:125 746:PMC 736:doi 673:doi 652:doi 650:". 592:in 519::c 474:). 450:. 320:of 164:. 156:of 149:ene 147:alk 122:dy- 36:In 2326:: 837:. 829:. 817:. 813:. 790:. 778:. 754:. 744:. 732:11 730:. 724:. 711:; 704:. 679:. 640:, 628:^ 616:. 608:, 561:. 378:. 363:. 332:. 301:. 279:: 271:: 263:: 255:: 247:: 184:. 154:di 124:OH 98:oʊ 92:aɪ 82:, 73:DY 60:iː 57:aɪ 2152:n 2105:p 2097:m 2089:o 2050:n 1969:p 1961:m 1953:o 1415:n 1413:2 1411:H 1408:n 1405:C 1286:n 1284:2 1282:H 1279:n 1276:C 916:n 914:2 912:H 909:n 906:C 876:e 869:t 862:v 845:. 825:: 798:. 786:: 762:. 738:: 718:. 689:. 675:: 654:: 579:. 571:2 569:C 419:7 417:O 415:2 395:2 393:) 391:2 387:n 385:) 383:2 283:. 277:F 269:E 261:D 253:C 245:B 237:A 203:. 116:/ 113:n 110:ɪ 107:f 104:ə 101:l 95:ˈ 89:d 86:/ 66:/ 63:n 54:d 51:ˈ 48:/ 44:( 23:.

Index

Serer people

1,3-butadiene
organic chemistry
/ˈdn/
DY-een
/dˈləfɪn/
dy-OH-lə-fin
covalent compound
double bonds
carbon
alkene
systematic nomenclature
organic synthesis
Conjugated
monomers
polymer
Polyunsaturated fats
nutrition
allene
conjugated
isomeric
Structure of various alkadienes (also called dienes or diolefins)
allene
Isoprene
1,3-Butadiene
1,5-Cyclooctadiene
Norbornadiene
Dicyclopentadiene
Gold Book

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