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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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2-Methyl-3-buten-2-ol → (S)alpha-cyano-3-phenoxy-benzyl(1R,cis)2,2-dimethyl-3-[2-(1,1-dimethylallyloxycarbonyl)-ethynyl]-cyclopropane-carboxylate

HRID 1995176
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HRID 1995176 반응식
[CH3:1][C:2]1([CH3:29])[C@@H:4]([C:5]#[C:6][C:7]([OH:9])=[O:8])[C@H:3]1[C:10]([O:12][C@H:13]([C:27]#[N:28])[C:14]1[CH:19]=[CH:18][CH:17]=[C:16]([O:20][C:21]2[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=2)[CH:15]=1)=[O:11].[CH3:30][C:31](O)([CH:33]=[CH2:34])[CH3:32]>CN(C)C1C=CN=CC=1.C(Cl)Cl>[CH3:1][C:2]1([CH3:29])[C@@H:4]([C:5]#[C:6][C:7]([O:9][C:31]([CH3:32])([CH3:30])[CH:33]=[CH2:34])=[O:8])[C@H:3]1[C:10]([O:12][C@H:13]([C:27]#[N:28])[C:14]1[CH:19]=[CH:18][CH:17]=[C:16]([O:20][C:21]2[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=2)[CH:15]=1)=[O:11]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 2

HCID 82572-Methyl-3-buten-2-olHCID 13093796(S)alpha-cyano-3-phenoxy-benzyl (IR,cis) 2,2-dimethyl-3-(2-carboxyethynyl)-cyclopropane-carboxylate

생성물 1

HCID 86739012(S)alpha-cyano-3-phenoxy-benzyl(1R,cis)2,2-dimethyl-3-[2-(1,1-dimethylallyloxycarbonyl)-ethynyl]-cyclopropane-carboxylate

시약·촉매·용매 2

HCID 142844-(Dimethylamino)pyridine촉매
HCID 6344
Dichloromethane
용매

실험 절차

Using the procedure of Step A of Example 15, 2 g of (S)α-cyano-3-phenoxy-benzyl (1R,cis) 2,2-dimethyl-3-[2-carboxy-ethynyl]-cyclopropane-carboxylate, 3 ml of 2-methyl-3-buten-2-ol and 150 mg of 4-dimethylamino-pyridine were admixed at 0° C. with 1.06 g of dicyclohexycarbodiimide in 3 ml of methylene chloride and the mixture was stirred at room temperature for 16 hours. The mixture was evaporated to dryness and the residue was chromatographed over silica gel. Elution with a 9-1 cyclohexane-ethyl acetate mixture yielded 700 mg of (S)α-cyano-3-phenoxy-benzyl (1R,cis) 2,2-dimethyl-3-[2-(1,1-dimethylallyloxycarbonyl)-ethynyl]-cyclopropane-carboxylate.

후처리

  1. customThe mixture was evaporated to dryness
  2. customthe residue was chromatographed over silica gel
  3. washElution with a 9-1 cyclohexane-ethyl acetate mixture

출처 및 근거

ORD 기록
ord-cf9a76039c064684bde1c7b24aea7294
출처 데이터셋
uspto-grants-1983_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04402972

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