Ethyl bromopyruvate → ethyl 2-(2-(3-azidopropyl)-5-(2,5-difluorophenyl)-2-phenyl-1,3,4-thiadiazol-3(2H)-yl)thiazole-4-carboxylate

HRID 2387633Notes

Reaction equation

[N:1]([CH2:4][CH2:5][CH2:6][C:7]1([C:23]2[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=2)[N:11]([C:12](=[S:14])[NH2:13])[N:10]=[C:9]([C:15]2[CH:20]=[C:19]([F:21])[CH:18]=[CH:17][C:16]=2[F:22])[S:8]1)=[N+:2]=[N-:3].Br[CH2:30][C:31](=O)[C:32]([O:34][CH2:35][CH3:36])=[O:33]>>[N:1]([CH2:4][CH2:5][CH2:6][C:7]1([C:23]2[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=2)[N:11]([C:12]2[S:14][CH:30]=[C:31]([C:32]([O:34][CH2:35][CH3:36])=[O:33])[N:13]=2)[N:10]=[C:9]([C:15]2[CH:20]=[C:19]([F:21])[CH:18]=[CH:17][C:16]=2[F:22])[S:8]1)=[N+:2]=[N-:3]

Participants

Reactant 2

HCID 66144Ethyl bromopyruvate

HCID 866087702-(3-azidopropyl)-5-(2,5-difluorophenyl)-2-phenyl-1,3,4-thiadiazole-3(2H)-carbothioamide

Product 1

HCID 86608779ethyl 2-(2-(3-azidopropyl)-5-(2,5-difluorophenyl)-2-phenyl-1,3,4-thiadiazol-3(2H)-yl)thiazole-4-carboxylate

Procedure

Prepared from 2-(3-azidopropyl)-5-(2,5-difluorophenyl)-2-phenyl-1,3,4-thiadiazole-3(2H)-carbothioamide as in Example 21, Step C, utilizing ethyl 3-bromo-2-oxopropanoate in place of tert-butyl 3-bromo-4-oxopiperidine-1-carboxylate, 57%.

Sources & evidence

ORD record: ord-1b7e13d770cf4865a9d6bec060891a76
Source dataset: uspto-grants-2012_09
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08268871B2

Reaction notes

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