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Thioamide

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The C(R)(N)(S) core of thioamides is planar. Using thioacetamide as representative: the C-S, C-N, and C-C distances are 1.68, 1.31, and 1.50 Å, respectively. The short C-S and C-N distances indicate multiple bonding.
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Trevor W. Hambley; David E. Hibbs; Peter Turner; Siân. T. Howard; Michael B. Hursthouse (2002). "Insights into Bonding and Hydrogen Bond Directionality in Thioacetamide from the Experimental Charge Distribution".
207:. They also block iodine release from peripheral hormone. Maximum effects occur only after a month, since hormone depletion is caused by reduced synthesis, which is a slow process. 743: 941: 343:
Shabana, R.; Scheibye, S.; Clausen, K.; Olesen, S.O.; Lawesson, S.-O. (1980). "Studies on organophosphorus compounds XXXI. Synthesis of thiolactams and thioimides".
936: 736: 729: 880: 890: 885: 905: 875: 458: 171:
for the amide bond. Peptide modifications are analogues of the native peptide, which can reveal the structure-activity relationship (
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Wiberg, Kenneth B.; Rablen, Paul R. (1995). "Why Does Thioformamide Have a Larger Rotational Barrier Than Formamide?".
63:, thioamides exhibit greater multiple bond character along the C-N bond, resulting in a larger rotational barrier. 704: 414:
Artis, Dean R.; Lipton, Mark A. (1998). "Conformations of Thioamide-Containing Dipeptides: A Computational Study".
172: 451: 1205: 364:"3-Morpholino-2-Phenylthioacrylic Acid Morpholide and 5-(4-Bromobenzoyl-2-(4-Morpholino)-3-Phenylthiophene" 141: 1232: 959: 845: 508: 134: 1112: 780: 752: 444: 976: 763: 692: 623: 115: 80: 1003: 769: 637: 119: 591: 1013: 994: 647: 389: 8: 1227: 965: 1051: 755: 527: 180: 721: 518: 368: 321: 293: 225: 84: 1148: 1092: 1087: 1067: 1040: 840: 608: 600: 554: 549: 544: 423: 396: 263: 233: 188: 127: 40: 800: 669: 480: 176: 118:, a reaction first described in the 1870s. Alternative routes include the use of 363: 316: 284: 1138: 1128: 698: 664: 613: 161: 99: 1221: 1183: 1133: 1009: 815: 643: 488: 72: 1097: 855: 820: 493: 471: 1143: 1082: 1072: 1019: 999: 633: 578: 573: 268: 251: 175:). Analogues of peptides can also be used as drugs with an improved oral 436: 237: 1173: 900: 895: 865: 835: 503: 157: 95: 427: 1077: 830: 596: 567: 400: 196: 1188: 1178: 1102: 168: 56: 779: 975: 910: 825: 498: 467: 204: 184: 123: 76: 52: 1168: 1034: 563: 111: 60: 342: 19: 151: 751: 203:), thereby blocking uptake of iodotyrosines from the 167:Thioamides have been incorporated into peptides as 1219: 1113: 781: 977: 361: 110:Thioamides are typically prepared by treating 737: 452: 282: 222: 105: 413: 1052: 744: 730: 459: 445: 362:Rolfs, Andreas; Liebscher, Jürgen (1998). 256:Journal of the Chemical Society, Abstracts 466: 267: 18: 793: 314: 152:Thioamides in biochemistry and medicine 1220: 725: 440: 75:, which is used as a source of the 13: 942:Tetraiodothyroacetic acid (Tetrac) 14: 1244: 179:. Thioamides inhibit the enzyme 114:with phosphorus sulfides such as 1139:Ipodate sodium (sodium iopodate) 1118:Tooltip Iodothyronine deiodinase 786:Tooltip Thyroid hormone receptor 133: 23:General structure of a thioamide 982:Tooltip Sodium-iodide symporter 283:Gompper, R.; Elser, W. (1973). 156:Thioamides are also a class of 79:ion and is a building block in 407: 383: 355: 336: 308: 276: 244: 216: 1: 1206:Receptor/signaling modulators 210: 144:also gives benzylthioamides. 393:J. Chem. Soc., Perkin Trans. 187:, reducing the synthesis of 7: 142:Willgerodt-Kindler reaction 66: 43:with the general structure 10: 1249: 1057:Tooltip Thyroid peroxidase 901:Sobetirome (GC-1, GRX-431) 509:Thyroid gland preparations 331:, vol. 3, p. 332 303:, vol. 5, p. 780 252:"Preparation of thiamides" 71:A well-known thioamide is 51:are any groups (typically 16:Class of organic compounds 1197: 1161: 1111: 1050: 1033: 958: 924: 854: 762: 682: 657: 622: 589: 526: 517: 479: 378:, vol. 9, p. 99 345:Nouveau Journal de Chimie 160:that are used to control 106:Preparation and structure 98:that are used to control 753:Thyroid hormone receptor 519:Antithyroid preparations 315:Schwarz, George (1955). 624:Sodium-iodide symporter 116:phosphorus pentasulfide 317:"2,4-Dimethylthiazole" 81:heterocyclic chemistry 24: 1004:potassium perchlorate 995:Cyanogenic glycosides 638:Potassium perchlorate 22: 1014:sodium pertechnetate 866:Eprotirome (KB-2115) 859:(selective agonists) 648:Sodium pertechnetate 289:-Methyl-Δ-Pyrroline" 269:10.1039/CA8783400392 94:are also a class of 87:is a tristhioamide. 35:, but also known as 422:(47): 12200–12206. 238:10.1021/ja00113a009 122:or the reaction of 836:Tiratricol (TRIAC) 709:Never to phase III 528:Thyroid peroxidase 285:"2-Methylmercapto- 181:thyroid peroxidase 120:Lawesson's reagent 92:anti-thyroid drugs 25: 1233:Functional groups 1215: 1214: 1157: 1156: 1044: 1029: 1028: 969: 954: 953: 950: 949: 773: 719: 718: 678: 677: 428:10.1021/ja982398t 376:Collected Volumes 369:Organic Syntheses 329:Collected Volumes 322:Organic Syntheses 301:Collected Volumes 294:Organic Syntheses 226:J. Am. Chem. Soc. 85:Thiocyanuric acid 1240: 1149:Propylthiouracil 1119: 1115: 1093:Propylthiouracil 1088:Methylthiouracil 1068:Benzylthiouracil 1058: 1054: 1048: 1047: 1038: 983: 979: 973: 972: 963: 841:Triiodothyronine 791: 790: 787: 783: 777: 776: 767: 746: 739: 732: 723: 722: 609:Propylthiouracil 555:Benzylthiouracil 550:Methylthiouracil 545:Propylthiouracil 524: 523: 481:Thyroid hormones 461: 454: 447: 438: 437: 432: 431: 416:J. Am. Chem. Soc 411: 405: 404: 401:10.1039/B109353C 387: 381: 379: 372: 359: 353: 352: 340: 334: 332: 325: 312: 306: 304: 297: 280: 274: 273: 271: 248: 242: 241: 232:(8): 2201–2209. 220: 189:triiodothyronine 137: 128:hydrogen sulfide 59:). Analogous to 50: 46: 41:functional group 1248: 1247: 1243: 1242: 1241: 1239: 1238: 1237: 1218: 1217: 1216: 1211: 1193: 1153: 1117: 1107: 1056: 1037: 1025: 1022: 984: 981: 962: 946: 920: 858: 850: 846:Thyroid extract 801:Dextrothyroxine 785: 766: 758: 750: 720: 715: 714: 699:Clinical trials 674: 670:Dibromotyrosine 653: 626: 618: 595: 585: 530: 513: 475: 465: 435: 412: 408: 388: 384: 374: 360: 356: 341: 337: 327: 313: 309: 299: 281: 277: 250: 249: 245: 221: 217: 213: 202: 194: 177:bioavailability 154: 108: 69: 48: 44: 17: 12: 11: 5: 1246: 1236: 1235: 1230: 1213: 1212: 1210: 1209: 1198: 1195: 1194: 1192: 1191: 1186: 1181: 1176: 1171: 1165: 1163: 1159: 1158: 1155: 1154: 1152: 1151: 1146: 1141: 1136: 1131: 1129:Dexpropranolol 1122: 1120: 1109: 1108: 1106: 1105: 1100: 1095: 1090: 1085: 1080: 1075: 1070: 1061: 1059: 1045: 1031: 1030: 1027: 1026: 1024: 1023: 1017: 1010:Pertechnetates 1007: 997: 988: 986: 970: 956: 955: 952: 951: 948: 947: 945: 944: 939: 934: 928: 926: 922: 921: 919: 918: 913: 908: 903: 898: 893: 888: 883: 878: 873: 868: 862: 860: 852: 851: 849: 848: 843: 838: 833: 828: 823: 818: 813: 808: 803: 797: 795: 788: 774: 760: 759: 749: 748: 741: 734: 726: 717: 716: 713: 712: 711: 710: 707: 696: 690: 684: 683: 680: 679: 676: 675: 673: 672: 667: 665:Diiodotyrosine 661: 659: 655: 654: 652: 651: 641: 630: 628: 620: 619: 617: 616: 611: 605: 603: 587: 586: 584: 583: 582: 581: 576: 560: 559: 558: 557: 552: 547: 538: 536: 521: 515: 514: 512: 511: 506: 501: 496: 491: 485: 483: 477: 476: 464: 463: 456: 449: 441: 434: 433: 406: 395:(2): 235–239. 382: 354: 335: 307: 275: 243: 214: 212: 209: 200: 192: 162:thyrotoxicosis 153: 150: 107: 104: 100:thyrotoxicosis 90:Thioamides or 68: 65: 15: 9: 6: 4: 3: 2: 1245: 1234: 1231: 1229: 1226: 1225: 1223: 1208: 1207: 1204: 1200: 1199: 1196: 1190: 1187: 1185: 1184:Thyroglobulin 1182: 1180: 1177: 1175: 1172: 1170: 1167: 1166: 1164: 1160: 1150: 1147: 1145: 1142: 1140: 1137: 1135: 1134:Iopanoic acid 1132: 1130: 1127: 1124: 1123: 1121: 1116: 1110: 1104: 1101: 1099: 1096: 1094: 1091: 1089: 1086: 1084: 1081: 1079: 1076: 1074: 1071: 1069: 1066: 1063: 1062: 1060: 1055: 1049: 1046: 1042: 1036: 1032: 1021: 1018: 1015: 1011: 1008: 1005: 1001: 998: 996: 993: 990: 989: 987: 980: 974: 971: 967: 961: 957: 943: 940: 938: 935: 933: 930: 929: 927: 923: 917: 914: 912: 909: 907: 904: 902: 899: 897: 894: 892: 889: 887: 884: 882: 879: 877: 874: 872: 869: 867: 864: 863: 861: 857: 856:Thyromimetics 853: 847: 844: 842: 839: 837: 834: 832: 829: 827: 824: 822: 819: 817: 816:Levothyroxine 814: 812: 809: 807: 804: 802: 799: 798: 796: 792: 789: 784: 778: 775: 771: 765: 761: 757: 754: 747: 742: 740: 735: 733: 728: 727: 724: 708: 706: 703: 702: 700: 697: 694: 691: 689: 686: 685: 681: 671: 668: 666: 663: 662: 660: 656: 649: 645: 644:Pertechnetate 642: 639: 635: 632: 631: 629: 625: 621: 615: 612: 610: 607: 606: 604: 602: 598: 593: 588: 580: 577: 575: 572: 571: 570:derivatives: 569: 565: 562: 561: 556: 553: 551: 548: 546: 543: 542: 540: 539: 537: 534: 529: 525: 522: 520: 516: 510: 507: 505: 502: 500: 497: 495: 492: 490: 489:Levothyroxine 487: 486: 484: 482: 478: 473: 469: 462: 457: 455: 450: 448: 443: 442: 439: 429: 425: 421: 417: 410: 402: 398: 394: 386: 377: 371: 370: 365: 358: 350: 346: 339: 330: 324: 323: 318: 311: 302: 296: 295: 290: 288: 279: 270: 265: 262:: 396. 1878. 261: 257: 253: 247: 239: 235: 231: 228: 227: 219: 215: 208: 206: 198: 190: 186: 182: 178: 174: 170: 165: 163: 159: 149: 145: 143: 138: 136: 131: 129: 125: 121: 117: 113: 103: 101: 97: 93: 88: 86: 82: 78: 74: 73:thioacetamide 64: 62: 58: 54: 42: 38: 34: 30: 21: 1202: 1201: 1125: 1098:2-Thiouracil 1064: 1020:Thiocyanates 1000:Perchlorates 991: 821:Liothyronine 566:-containing 541:Thiouracils 532: 531:inhibitors ( 494:Liothyronine 419: 415: 409: 392: 385: 375: 367: 357: 348: 344: 338: 328: 320: 310: 300: 292: 286: 278: 259: 255: 246: 229: 224: 218: 166: 155: 146: 139: 132: 109: 91: 89: 70: 37:thiourylenes 36: 32: 28: 26: 1144:Propranolol 1126:Inhibitors: 1083:Methimazole 1073:Carbimazole 1065:Inhibitors: 992:Inhibitors: 960:Transporter 925:Antagonists 695:from market 634:Perchlorate 579:Methimazole 574:Carbimazole 45:R−C(=S)−NRR 1228:Thioamides 1222:Categories 1174:Iodine-131 1041:inhibitors 896:Resmetirom 756:modulators 592:conversion 504:Tiratricol 211:References 55:groups or 49:R, R and R 33:thionamide 1203:See also: 1078:Genistein 881:KB-130015 831:Thyroxine 705:Phase III 693:Withdrawn 627:inhibitor 568:imidazole 533:thioamide 470:therapy ( 197:thyroxine 169:isosteres 31:(rarely, 29:thioamide 1189:Tyrosine 1179:Selenium 1103:Thiourea 966:blockers 891:MB-07811 886:MB-07344 794:Agonists 764:Receptor 351:(4): 47. 124:nitriles 67:Examples 57:hydrogen 47:, where 1012:(e.g., 1002:(e.g., 911:VK-2809 906:VK-0214 876:KB-2611 826:Liotrix 770:ligands 614:Ipodate 499:Liotrix 468:Thyroid 205:colloid 185:thyroid 183:in the 77:sulfide 53:organyl 39:) is a 1169:Iodine 1162:Others 1035:Enzyme 985:  871:KB-141 688:WHO-EM 590:Block 564:Sulfur 195:) and 112:amides 61:amides 932:1-850 811:DITPA 806:DIMIT 658:Other 158:drugs 126:with 96:drugs 916:ZYT1 349:1980 140:The 1114:DIO 1053:TPO 978:NIS 937:NH3 782:THR 599:to 472:H03 424:doi 420:120 397:doi 264:doi 234:doi 230:117 173:SAR 164:. 1224:: 701:: 601:T3 597:T4 594:of 418:. 373:; 366:. 347:. 326:; 319:. 298:; 291:. 260:34 258:. 254:. 199:(T 191:(T 130:: 102:. 83:. 27:A 1043:) 1039:( 1016:) 1006:) 968:) 964:( 772:) 768:( 745:e 738:t 731:v 650:) 646:( 640:) 636:( 535:) 474:) 460:e 453:t 446:v 430:. 426:: 403:. 399:: 380:. 333:. 305:. 287:N 272:. 266:: 240:. 236:: 201:4 193:3

Index


functional group
organyl
hydrogen
amides
thioacetamide
sulfide
heterocyclic chemistry
Thiocyanuric acid
drugs
thyrotoxicosis
amides
phosphorus pentasulfide
Lawesson's reagent
nitriles
hydrogen sulfide
Thionamide Synthesis
Willgerodt-Kindler reaction
drugs
thyrotoxicosis
isosteres
SAR
bioavailability
thyroid peroxidase
thyroid
triiodothyronine
thyroxine
colloid
J. Am. Chem. Soc.
doi

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