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Acetic acid, 2-(triphenylphosphoranylidene)-, ethyl ester → trans-7-Chloro-5-(2-chlorophenyl)-1-isopropyl-2-oxo-1,2,3,5-tetrahydro-4,1-benzoxazepine-3-crotonic acid

HRID 1787
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인쇄 미리보기

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HRID 1787 반응식
[Cl:1][C:2]1[CH:3]=[CH:4][C:5]2[N:11]([CH:12]([CH3:14])[CH3:13])[C:10](=[O:15])[C@@H:9]([CH2:16][CH:17]=O)[O:8][C@H:7]([C:19]3[CH:24]=[CH:23][CH:22]=[CH:21][C:20]=3[Cl:25])[C:6]=2[CH:26]=1.C([O:29][C:30]([CH:32]=P(C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)=[O:31])C>C1(C)C=CC=CC=1>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]2[N:11]([CH:12]([CH3:13])[CH3:14])[C:10](=[O:15])[C@@H:9]([CH2:16]/[CH:17]=[CH:32]/[C:30]([OH:31])=[O:29])[O:8][C@H:7]([C:19]3[CH:24]=[CH:23][CH:22]=[CH:21][C:20]=3[Cl:25])[C:6]=2[CH:26]=1
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HCID 70670Acetic acid, 2-(triphenylphosphoranylidene)-, ethyl esterHCID 86752221trans-7-Chloro-5-(2-chlorophenyl)-1-isopropyl-2-oxo-1,2,3,5-tetrahydro-4,1-benzoxazepine-3-acetaldehyde

생성물 1

HCID 86752222trans-7-Chloro-5-(2-chlorophenyl)-1-isopropyl-2-oxo-1,2,3,5-tetrahydro-4,1-benzoxazepine-3-crotonic acid수율 77.1%

시약·촉매·용매 1

HCID 1140Toluene용매

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온도
90 °C

실험 절차

In toluene (20 ml) was dissolved trans-7-chloro-5-(2-chlorophenyl)-1-isopropyl-2-oxo-1,2,3,5-tetrahydro-4,1-benzoxazepine-3-acetaldehyde (1.5 g). To the solution was added (ethoxycarbonylmethylene)-triphenylphosphorane (2.0 g), and the mixture was stirred for 3 hours at 90° C. The solvent was distilled off, and the residue was purified by means of a silica gel column chromatography (hexane:ethyl acetate=10:1) to give ethyl ester of trans-7-chloro-5-(2-chlorophenyl)-1-isopropyl-2-oxo-1,2,3,5-tetrahydro-4,1-benzoxazepine-3-crotonic acid (1.28 g) as prisms, m.p.126°-127° C.

후처리

  1. distillationThe solvent was distilled off
  2. customthe residue was purified by means of a silica gel column chromatography (hexane:ethyl acetate=10:1)

출처 및 근거

ORD 기록
ord-7891886a1dce4bd98201a13284a39c9a
출처 데이터셋
uspto-grants-1998_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05726306

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