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Triethylamine → HCID 67194341, 화합물

HRID 547800
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HRID 547800 반응식
[C:1]([Si:5]([CH3:22])([CH3:21])[O:6][C@@H:7]1[CH2:12][C@@H:11]([O:13][Si:14]([C:17]([CH3:20])([CH3:19])[CH3:18])([CH3:16])[CH3:15])[CH2:10][NH:9][CH2:8]1)([CH3:4])([CH3:3])[CH3:2].C(N(CC)CC)C.Cl[C:31]([O:33][CH2:34][C:35]1[CH:40]=[CH:39][CH:38]=[CH:37][CH:36]=1)=[O:32]>C1COCC1>[CH2:34]([O:33][C:31]([N:9]1[CH2:10][C@H:11]([O:13][Si:14]([C:17]([CH3:20])([CH3:19])[CH3:18])([CH3:16])[CH3:15])[CH2:12][C@@H:7]([O:6][Si:5]([C:1]([CH3:4])([CH3:3])[CH3:2])([CH3:22])[CH3:21])[CH2:8]1)=[O:32])[C:35]1[CH:40]=[CH:39][CH:38]=[CH:37][CH:36]=1
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 10387Benzyl chloroformateHCID 11175384(3R,5R)-3,5-bis-(tert-butyl-dimethyl-silanyloxy)-piperidine

생성물 1

HCID 67194341HCID 67194341, 화합물수율 92.3%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매2회

실험 절차

To a solution of 0.50 g (1.4 mmol) (3R,5R)-3,5-bis-(tert-butyl-dimethyl-silanyloxy)-piperidine and 0.15 g (1.5 mmol) triethylamine in 30 ml of THF was added dropwise a solution of 0.26 g (1.5 mmol) benzyl chloroformate in 2 ml of THF at 0° C. After completed addition, the mixture was allowed to warm to room temperature during 30 min. Quenching with a saturated aqueous solution of sodium hydrogencarbonate was followed by extraction with three portions of dichloromethane. The combined organic extracts were washed with brine and dried over sodium sulfate. Flash chromatography gave 0.62 g (90%) of the title compound as a colorless oil.

후처리

  1. additionaddition
  2. customQuenching with a saturated aqueous solution of sodium hydrogencarbonate
  3. extractionwas followed by extraction with three portions of dichloromethane
  4. washThe combined organic extracts were washed with brine
  5. dry with materialdried over sodium sulfate

출처 및 근거

ORD 기록
ord-cbdde159a0fd4a808185ae73bcf41d38
출처 데이터셋
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07939533B2

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