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3-Oxo-azetidine-1-carboxylic acid tert-butyl ester → tert-butyl 3-(1-methyl-2-oxo-2,3,5,6-tetrahydro-1H-[1,2,4]triazino[4,3-a]quinolin-9-ylamino)azetidine-1-carboxylate

HRID 519081
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HRID 519081 반응식
[NH2:1][C:2]1[CH:11]=[C:10]2[C:5]([CH2:6][CH2:7][C:8]3[N:9]2[CH:12]([CH3:17])[C:13](=[O:16])[NH:14][N:15]=3)=[CH:4][CH:3]=1.O=[C:19]1[CH2:22][N:21]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH2:20]1.C([BH3-])#N.[Na+]>CO.CC(O)=O>[CH3:17][CH:12]1[N:9]2[C:10]3[C:5]([CH2:6][CH2:7][C:8]2=[N:15][NH:14][C:13]1=[O:16])=[CH:4][CH:3]=[C:2]([NH:1][CH:19]1[CH2:20][N:21]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH2:22]1)[CH:11]=3
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 15194043-Oxo-azetidine-1-carboxylic acid tert-butyl esterHCID 5003444Sodium cyanoborohydrideHCID 867274479-amino-1-methyl-5,6-dihydro-1H-[1,2,4]triazino[4,3-a]quinolin-2(3H)-one

생성물 1

HCID 86727448tert-butyl 3-(1-methyl-2-oxo-2,3,5,6-tetrahydro-1H-[1,2,4]triazino[4,3-a]quinolin-9-ylamino)azetidine-1-carboxylate수율 34.1%

시약·촉매·용매 2

HCID 176
Acetic Acid
용매
HCID 887Methanol용매

실험 절차

A solution of 9-amino-1-methyl-5,6-dihydro-1H-[1,2,4]triazino[4,3-a]quinolin-2(3H)-one (0.035 g, 0.152 mmol) and tert-butyl 3-oxoazetidine-1-carboxylate (0.078 g, 0.45 mmol) in MeOH (5 mL) and AcOH (0.5 mL) was stirred for 1 h at rt. Sodium cyanoborohydride (0.028 g, 0.456 mmol) was added and the reaction mixture was stirred at ambient temperature overnight. The solution was concentrated in vacuo and the residue was purified by preparative TLC (eluting with 50% EtOAc in petroleum ether) to give tert-butyl 3-(1-methyl-2-oxo-2,3,5,6-tetrahydro-1H-[1,2,4]triazino[4,3-a]quinolin-9-ylamino)azetidine-1-carboxylate (0.020 g, 34%). LC/MS (Table 1, Method 2) Rt=1.104 min; MS m/z: 386 [M+H]+.

후처리

  1. concentrationThe solution was concentrated in vacuo
  2. customthe residue was purified by preparative TLC (eluting with 50% EtOAc in petroleum ether)

출처 및 근거

ORD 기록
ord-444251dc34c443388c3ef6b98dd7497c
출처 데이터셋
uspto-grants-2015_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09115151B2

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