반응 #2945

ord-fc50405695d1443a80eda06a3dd99d45

반응 방정식

C=C1CC(=O)O1.CC(C)=O
diketene acetone
C1CCNC1
pyrrolidine
CC(=O)CC(=O)N1CCCC1
title compound
수율 97.9%
CC(=O)CC(=O)N1CCCC1
1-(3-Oxobutyryl)pyrrolidine
수율 97.9%

시약

없음

용매

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    기타as described in preparation 7
  2. 2
    기타The solvent was removed in vacuo
  3. 3
    기타the residue was purified by chromatography on silica gel (EtOAc/MeOH 0%→1%)

실험 절차

9 ml (0.05 mol) of diketene-acetone adduct and a solution of 4.2 ml (0.05 mol) of pyrrolidine in 20 ml of toluene were treated as described in preparation 7. The solvent was removed in vacuo and the residue was purified by chromatography on silica gel (EtOAc/MeOH 0%→1%) yielding 7.6 g of the title compound as a dark oil.

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US05731322uspto-grants-1998_03