Ethyl bromopyruvate → Ethyl 2-(3,4-diethoxyphenyl)oxazole-4-carboxylate

반응식

[CH2:1]([O:3][C:4]1[CH:5]=[C:6]([CH:10]=[CH:11][C:12]=1[O:13][CH2:14][CH3:15])[C:7]([NH2:9])=[O:8])[CH3:2].Br[CH2:17][C:18](=O)[C:19]([O:21][CH2:22][CH3:23])=[O:20]>>[CH2:1]([O:3][C:4]1[CH:5]=[C:6]([C:7]2[O:8][CH:17]=[C:18]([C:19]([O:21][CH2:22][CH3:23])=[O:20])[N:9]=2)[CH:10]=[CH:11][C:12]=1[O:13][CH2:14][CH3:15])[CH3:2]

참가 물질

반응물 2

HCID 66144Ethyl bromopyruvate

HCID 3403423,4-Diethoxybenzamide

생성물 1

HCID 68984749Ethyl 2-(3,4-diethoxyphenyl)oxazole-4-carboxylate수율 85%

실험 절차

Using 10.4 g of 3,4-diethoxybenzamide and 19.5 g of ethyl 3-bromo-2-oxopropionate and following the procedure of Reference Example 5, 12.9 g of white powdery ethyl 2-(3,4-diethoxyphenyl)oxazole-4-carboxylate was obtained.

출처 및 근거

ORD 기록: ord-7433cedd04464a37bf7b10981f8d131f
출처 데이터셋: uspto-grants-2014_01
DOI: 10.6084/m9.figshare.5104873.v1
특허 번호: US08637559B2

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