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Triethylamine → Z-6-chloro-3-cyclopentylmethylene-2-oxo-2,3-dihydro-indole-1-carboxylic acid ethyl ester

HRID 1727955
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반응식

HRID 1727955 반응식
[Cl:1][C:2]1[CH:10]=[C:9]2[C:5](/[C:6](=[CH:12]/[CH:13]3[CH2:17][CH2:16][CH2:15][CH2:14]3)/[C:7](=[O:11])[NH:8]2)=[CH:4][CH:3]=1.Cl[C:19]([O:21][CH2:22][CH3:23])=[O:20].C(N(CC)CC)C>ClCCl>[CH2:22]([O:21][C:19]([N:8]1[C:9]2[C:5](=[CH:4][CH:3]=[C:2]([Cl:1])[CH:10]=2)/[C:6](=[CH:12]/[CH:13]2[CH2:14][CH2:15][CH2:16][CH2:17]2)/[C:7]1=[O:11])=[O:20])[CH3:23]
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 10928Ethyl chloroformateHCID 68614585Z-6-chloro-3-cyclopentylmethylene-1,3-dihydro-indol-2-one

생성물 1

HCID 86615085Z-6-chloro-3-cyclopentylmethylene-2-oxo-2,3-dihydro-indole-1-carboxylic acid ethyl ester수율 58.6%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

In a manner similar to the method described in example 4b, E/Z-6-chloro-3-cyclopentylmethylene-1,3-dihydro-indol-2-one (0.8 g, 3.2 mmol) was reacted with ethyl chloroformate (0.46 mL, 4.9 mmol) and triethylamine (0.9 mL, 6.4 mmol) in dichloromethane to give E/Z-6-chloro-3-cyclopentylmethylene-2-oxo-2,3-dihydro-indole-1-carboxylic acid ethyl ester as brown oil (Yield 0.6 g, 58%).

출처 및 근거

ORD 기록
ord-2579a181cfc64b60b4b8d96211d49d85
출처 데이터셋
uspto-grants-2009_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07495007B2

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