Methanol → N-[(4aR,7aR)-7a-(5-cyanothiophen-2-yl)-4,4a,5,6,7,7a-hexahydropyrrolo[3,4-d][1,3]thiazin-2-yl]benzamide

HRID 338138노트

반응식

HRID 338138 반응식
[C:1]([NH:9][C:10]1[S:11][CH2:12][C@@H:13]2[CH2:18][N:17](C(OCC3C=CC=CC=3)=O)[CH2:16][C@:14]2([C:29]2[S:30][C:31]([C:34]#[N:35])=[CH:32][CH:33]=2)[N:15]=1)(=[O:8])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.CO>C(#N)C.I[Si](C)(C)C>[C:34]([C:31]1[S:30][C:29]([C@:14]23[CH2:16][NH:17][CH2:18][C@H:13]2[CH2:12][S:11][C:10]([NH:9][C:1](=[O:8])[C:2]2[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=2)=[N:15]3)=[CH:33][CH:32]=1)#[N:35]

참가 물질

5

반응물 2

HCID 887MethanolHCID 86762221Benzyl(4aR,7aR)-2-(benzoylamino)-7a-(5-cyanothiophen-2-yl)-4a,5,7,7a-tetrahydropyrrolo[3,4-d][1,3]thiazine-6(4H)-carboxylate

생성물 1

HCID 86762239N-[(4aR,7aR)-7a-(5-cyanothiophen-2-yl)-4,4a,5,6,7,7a-hexahydropyrrolo[3,4-d][1,3]thiazin-2-yl]benzamide수율 118%

시약·촉매·용매 2

HCID 85247Trimethylsilyl iodide촉매HCID 6342Acetonitrile용매

실험 절차

To a stirred clear and colorless solution of the benzyl (4aR,7aR)-2-(benzoylamino)-7a-(5-cyanothiophen-2-yl)-4a,5,7,7a-tetrahydropyrrolo[3,4-d][1,3]thiazine-6(4H)-carboxylate (405 mg, 0.806 mmol) in acetonitrile (16 mL) under an atmosphere of nitrogen at room temperature is added iodotrimethylsilane (345 μL, 2.42 μmol). The resulting pale yellow solution is stirred at room temperature for 70 minutes. Methanol (391 μL, 9.67 mmol) is added and the pale yellow mixture is stirred for 5 minutes, and then concentrated under reduced pressure. The residue is partially purified by silica gel chromatography, eluting with a dichloromethane/methanol, gradient from 99:1 to 90:10, to give the title compound (349 mg, 118%) as a pale yellow solid (assume quantitative recovery and carry partially purified material into next step). MS/ES (m/z) 369.0 (M+H).

후처리

  1. stirringthe pale yellow mixture is stirred for 5 minutes
  2. concentrationconcentrated under reduced pressure
  3. customThe residue is partially purified by silica gel chromatography
  4. washeluting with a dichloromethane/methanol, gradient from 99:1 to 90:10

출처 및 근거

ORD 기록
ord-26fbc79dbce74a2d821e19cc8ab765b0
출처 데이터셋
uspto-grants-2014_11
특허 번호
US08889856B2

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