beta-Aminobeta-ethoxyacrylic acid ethyl ester → 3-Amino-1-(3-fluorobenzyl)-pyrazol-5-one

HRID 617019노트

반응식

HRID 617019 반응식
C([O:3][C:4](=O)[CH:5]=[C:6]([NH2:10])OCC)C.[F:12][C:13]1[CH:14]=[C:15]([CH:19]=[CH:20][CH:21]=1)[CH2:16][NH:17][NH2:18]>C(O)C>[NH2:10][C:6]1[NH:18][N:17]([CH2:16][C:15]2[CH:19]=[CH:20][CH:21]=[C:13]([F:12])[CH:14]=2)[C:4](=[O:3])[CH:5]=1

참가 물질

4

반응물 2

HCID 278451beta-Aminobeta-ethoxyacrylic acid ethyl esterHCID 167783463-Fluorobenzylhydrazine

생성물 1

HCID 203672493-Amino-1-(3-fluorobenzyl)-pyrazol-5-one

시약·촉매·용매 1

HCID 702Ethanol용매

실험 절차

17.5 g of β-amino-β-ethoxyacrylic acid ethyl ester and 13 g of 3-fluorobenzylhydrazine, on stirring for 5 hours in ethanol at 60° and working up as described in Example 1, yield 11.3 g, corresponding to 55% of theory, of the compound identified above as colorless crystals of melting point 129°.

출처 및 근거

ORD 기록
ord-cb77c800d37741b9ad8728bc09830f55
출처 데이터셋
uspto-grants-1978_02
특허 번호
US04076943

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