تفاعل #2945

ord-fc50405695d1443a80eda06a3dd99d45

معادلة التفاعل

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

المتفاعلات

الكواشف

لا شيء

المذيبات

ظروف التفاعل

الظروف التفصيلية
See reaction.notes.procedure_details.

المعالجة

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

الإجراء التجريبي

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.

المصدر

DOI: 10.6084/m9.figshare.5104873.v1براءة الاختراع: US05731322uspto-grants-1998_03