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Triethylamine → t-Butyl alpha-{6(R)-[1(S)-ethoxycarbonyl-3-phenylpropylamino]-5-oxo-2-(2-thienyl)perhydro-1,4-thiazepin-4-yl}acetate

HRID 256083
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HRID 256083 반응식
[C:1]1([CH2:7][CH2:8][C@@H:9](OS(C(F)(F)F)(=O)=O)[C:10]([O:12][CH2:13][CH3:14])=[O:11])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[NH2:23][C@H:24]1[CH2:30][S:29][CH:28]([C:31]2[S:32][CH:33]=[CH:34][CH:35]=2)[CH2:27][N:26]([CH2:36][C:37]([O:39][C:40]([CH3:43])([CH3:42])[CH3:41])=[O:38])[C:25]1=[O:44].C(N(CC)CC)C>C(Cl)Cl>[CH2:13]([O:12][C:10]([C@@H:9]([NH:23][C@H:24]1[CH2:30][S:29][CH:28]([C:31]2[S:32][CH:33]=[CH:34][CH:35]=2)[CH2:27][N:26]([CH2:36][C:37]([O:39][C:40]([CH3:42])([CH3:41])[CH3:43])=[O:38])[C:25]1=[O:44])[CH2:8][CH2:7][C:1]1[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1)=[O:11])[CH3:14]
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 10860745Ethyl (2R)-4-phenyl-2-[(trifluoromethanesulfonyl)oxy]butanoateHCID 18610546HCID 18610546, 화합물

생성물 1

HCID 18610544t-Butyl alpha-{6(R)-[1(S)-ethoxycarbonyl-3-phenylpropylamino]-5-oxo-2-(2-thienyl)perhydro-1,4-thiazepin-4-yl}acetate수율 88.4%

시약·촉매·용매 1

HCID 6344
Dichloromethane
용매
2회

실험 절차

A solution of 4.0 g of ethyl 4-phenyl-2-(R)-trifluoromethanesulfonyloxybutyrate in 15 ml of methylene chloride was added dropwise to a solution of 4.0 g of t-butyl α-[6(R)-amino-5-oxo-2-(2-thienyl)perhydro-1,4-thiazepin-4-yl]acetate [prepared as described in step (g) above] and 1.62 ml of triethylamine in 50 ml of methylene chloride. The reaction mixture was stirred for 2 hours at room temperature, after which it was washed with water and dried over anhydrous magnesium sulfate; the solvent was then evaporated off under reduced pressure. The residue was purified by silica gel column chromatography, using a 20:1 by volume mixture of methylene chloride and ethyl acetate as the eluent, to give 5.5 g of the title compound in the form of a syrup.

후처리

  1. washafter which it was washed with water
  2. dry with materialdried over anhydrous magnesium sulfate
  3. customthe solvent was then evaporated off under reduced pressure
  4. customThe residue was purified by silica gel column chromatography
  5. additionby volume mixture of methylene chloride and ethyl acetate as the eluent

출처 및 근거

ORD 기록
ord-5eb7963387d94bd78523d140d917f1a1
출처 데이터셋
uspto-grants-1987_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04699905

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