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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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Methyl chloroformate → 1-Piperidinecarboxylic acid, 3-[(R)-(3-chlorophenyl)[2-[(methoxycarbonyl)amino]ethoxy]methyl]-, 1,1-dimethylethyl ester, (3R)-

HRID 253572
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HRID 253572 반응식
[NH2:1][CH2:2][CH2:3][O:4][C@@H:5]([C:19]1[CH:24]=[CH:23][CH:22]=[C:21]([Cl:25])[CH:20]=1)[C@@H:6]1[CH2:11][CH2:10][CH2:9][N:8]([C:12]([O:14][C:15]([CH3:18])([CH3:17])[CH3:16])=[O:13])[CH2:7]1.CCN(CC)CC.Cl[C:34]([O:36][CH3:37])=[O:35]>CN(C1C=CN=CC=1)C.C(Cl)Cl>[Cl:25][C:21]1[CH:20]=[C:19]([C@H:5]([O:4][CH2:3][CH2:2][NH:1][C:34]([O:36][CH3:37])=[O:35])[C@@H:6]2[CH2:11][CH2:10][CH2:9][N:8]([C:12]([O:14][C:15]([CH3:18])([CH3:16])[CH3:17])=[O:13])[CH2:7]2)[CH:24]=[CH:23][CH:22]=1
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참가 물질

6

반응물 3

HCID 6586Methyl chloroformateHCID 8471TriethylamineHCID 59598469(R)-tert-butyl 3-((R)-(2-aminoethoxy)(3-chlorophenyl)methyl)piperidine-1-carboxylate

생성물 1

HCID 595984981-Piperidinecarboxylic acid, 3-[(R)-(3-chlorophenyl)[2-[(methoxycarbonyl)amino]ethoxy]methyl]-, 1,1-dimethylethyl ester, (3R)-수율 58.6%

시약·촉매·용매 2

HCID 14284
4-(Dimethylamino)pyridine
촉매
HCID 6344Dichloromethane용매2회

실험 절차

To a solution of (R)-tert-butyl 3-((R)-(2-aminoethoxy)(3-chlorophenyl)methyl)piperidine-1-carboxylate (1.05 g, ca. 2.6 mmol), Et3N (3.96 mL, 2.85 mmol), and DMAP (174 mg, 1.43 mmol) in anhydrous CH2Cl2 (20 mL) cooled to 0° C. was added a solution of methyl chloroformate (1.35 g, 14.25 mmol) in dichloromethane (20 mL) within 30 min. The reaction was stirred overnight, and evaporated under vacuum. The residue was purified by flash chromatography on silica gel to afford (R)-tert-butyl 3-((R)-(3-chlorophenyl)(2-(methoxy-carbonylamino)ethoxy)methyl)piperidine-1-carboxylate (0.65 g). MS: 427 (M+H)+.

후처리

  1. customevaporated under vacuum
  2. customThe residue was purified by flash chromatography on silica gel

출처 및 근거

ORD 기록
ord-7dcad8c8461d490e8ab0eb6550c86eb7
출처 데이터셋
uspto-grants-2011_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07872028B2

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