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Triethylamine → 5-Cycloheptyl-1,3-dihydro-1-methyl-3(R,S)-[(4-nitrophenyloxycarbonyl)amino]-2H-1,4-benzodiazepin-2-one

HRID 743711
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HRID 743711 반응식
[NH2:1][CH:2]1[N:8]=[C:7]([CH:9]2[CH2:15][CH2:14][CH2:13][CH2:12][CH2:11][CH2:10]2)[C:6]2[CH:16]=[CH:17][CH:18]=[CH:19][C:5]=2[N:4]([CH3:20])[C:3]1=[O:21].C(N(CC)CC)C.Cl[C:30]([O:32][C:33]1[CH:38]=[CH:37][C:36]([N+:39]([O-:41])=[O:40])=[CH:35][CH:34]=1)=[O:31]>O1CCCC1>[CH:9]1([C:7]2[C:6]3[CH:16]=[CH:17][CH:18]=[CH:19][C:5]=3[N:4]([CH3:20])[C:3](=[O:21])[CH:2]([NH:1][C:30]([O:32][C:33]3[CH:34]=[CH:35][C:36]([N+:39]([O-:41])=[O:40])=[CH:37][CH:38]=3)=[O:31])[N:8]=2)[CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15]1
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 821294-Nitrophenyl chloroformateHCID 214804643-amino-5-cycloheptyl-1,3-dihydro-1-methyl-2H-1,4-benzodiazepin-2-one

생성물 1

HCID 194246105-Cycloheptyl-1,3-dihydro-1-methyl-3(R,S)-[(4-nitrophenyloxycarbonyl)amino]-2H-1,4-benzodiazepin-2-one

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매2회

실험 절차

The amine was dissolved in anhydrous tetrahydrofuran (9 ml) under an atmosphere of nitrogen, at room temperature, and triethylamine (221 μl) was added dropwise. A solution of 4-nitrophenyl chloroformate (322 mg) in anhydrous tetrahydrofuran (9 ml) was then added, and the reaction mixture stirred for a further 3 h. After this time the undissolved solid was filtered off, washed with tetrahydrofuran, and the filtrate evaporated in vacuo. The residue was azeotroped with toluene (2×50 ml) and the residue triturated with anhydrous ether to afford the title compound (425 mg) as a white solid. TLC (silica, petrol (60/80):ethyl acetate 2:1). Rf=0.3. 1H NMR (360 MHz, CDCl3) δ 1.22-2.10 (12H, m), 2.98 (1H, m), 3.45 (3H, s), 5.15 (1H, d, J=8.2 Hz), 6.89 (1H, d, J=9.2 Hz), 7.26-7.35 (4H, m), 7.49-7.60 (2H, m), 8.22 (2H, d, J=7.1 Hz).

후처리

  1. filtrationAfter this time the undissolved solid was filtered off
  2. washwashed with tetrahydrofuran
  3. customthe filtrate evaporated in vacuo
  4. customThe residue was azeotroped with toluene (2×50 ml)
  5. customthe residue triturated with anhydrous ether

출처 및 근거

ORD 기록
ord-f8346eec88e34d5d83ed5ac8c1314068
출처 데이터셋
uspto-grants-1996_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05556969

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