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3-Oxo-azetidine-1-carboxylic acid tert-butyl ester → 3-[4-(Thiazole-2-carbonyl)-piperazin-1-yl]-azetidine-1-carboxylic acid tert-butyl ester

HRID 401625
Notes
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Reaction equation

HRID 401625 reaction equation
[N:1]1([C:7]([C:9]2[S:10][CH:11]=[CH:12][N:13]=2)=[O:8])[CH2:6][CH2:5][NH:4][CH2:3][CH2:2]1.[C:14]([N:21]1[CH2:24][C:23](=O)[CH2:22]1)([O:16][C:17]([CH3:20])([CH3:19])[CH3:18])=[O:15].[B][B][B][B][B][B][B][B][B][B]>CO>[C:17]([O:16][C:14]([N:21]1[CH2:24][CH:23]([N:4]2[CH2:3][CH2:2][N:1]([C:7]([C:9]3[S:10][CH:11]=[CH:12][N:13]=3)=[O:8])[CH2:6][CH2:5]2)[CH2:22]1)=[O:15])([CH3:20])([CH3:18])[CH3:19]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 15194043-Oxo-azetidine-1-carboxylic acid tert-butyl esterHCID 21641598Piperazin-1-yl(thiazol-2-yl)methanoneHCID 178419135HCID 178419135, compound

Product 1

HCID 596260133-[4-(Thiazole-2-carbonyl)-piperazin-1-yl]-azetidine-1-carboxylic acid tert-butyl ester

Reagents, catalysts & solvents 1

HCID 887Methanol
Solvent

Procedure

A solution of compound 7b (6.1 g, 0.031 mol) and (5.1 g, 0.03 mol) compound 4a in MeOH (30 mL) was stirred for 15 min. Decaborane (1 g, 0.008 mol) was added and the reaction was stirred for 18 h. The solvent was evaporated in vacuo. The residue was used without further purification for the next step. MS m/z (M+H+) 353.1.

Workup

  1. customThe solvent was evaporated in vacuo
  2. customThe residue was used without further purification for the next step

Sources & evidence

ORD record
ord-21ee5813b94e4a07bde01b7d81060769
Source dataset
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08741887B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes