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Tetramethyl orthocarbonate → HCID 178501366, 화합물

HRID 643100
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HRID 643100 반응식
[O:1]=[C:2]1[N:8]([CH:9]2[CH2:14][CH2:13][N:12]([C:15]([O:17][C@@H:18]([C:29]([O:31][CH3:32])=[O:30])[CH2:19][C:20]3[CH:25]=[C:24]([CH3:26])[C:23]([NH2:27])=[C:22]([NH2:28])[CH:21]=3)=[O:16])[CH2:11][CH2:10]2)[CH2:7][CH2:6][C:5]2[CH:33]=[CH:34][CH:35]=[CH:36][C:4]=2[NH:3]1.[CH3:37][O:38][C:39](OC)(OC)OC.O.C1(C)C=CC(S(O)(=O)=O)=CC=1>CO>[O:1]=[C:2]1[N:8]([CH:9]2[CH2:10][CH2:11][N:12]([C:15]([O:17][C@@H:18]([C:29]([O:31][CH3:32])=[O:30])[CH2:19][C:20]3[CH:25]=[C:24]([CH3:26])[C:23]4[NH:27][C:37]([O:38][CH3:39])=[N:28][C:22]=4[CH:21]=3)=[O:16])[CH2:13][CH2:14]2)[CH2:7][CH2:6][C:5]2[CH:33]=[CH:34][CH:35]=[CH:36][C:4]=2[NH:3]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 74613Tetramethyl orthocarbonateHCID 521998p-Toluenesulfonic acid monohydrateHCID 68676807(R)-2-(3,4-diamino-5-methyl-phenyl)-1-methoxycarbonyl-ethyl 4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidine-1-carboxylate

생성물 1

HCID 178501366HCID 178501366, 화합물

시약·촉매·용매 1

HCID 887Methanol용매

실험 절차

A solution of 1.00 g (2.02 mmol) (R)-2-(3,4-diamino-5-methyl-phenyl)-1-methoxycarbonyl-ethyl 4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidine-1-carboxylate (Example 4a), 2.0 mL (15.0 mmol) tetramethoxymethane and 40 mg p-toluenesulphonic acid-monohydrate in 20 mL MeOH was refluxed for 1 h. The mixture was evaporated down i.vac. and the residue was purified by chromatography (Alox, activity stage II-III, DCM/MeOH 20:1).

후처리

  1. customThe mixture was evaporated down i.vac
  2. customand the residue was purified by chromatography (Alox, activity stage II-III, DCM/MeOH 20:1)

출처 및 근거

ORD 기록
ord-4081c86e7d524bd2821256520c9f5d26
출처 데이터셋
uspto-grants-2010_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07696209B2

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