반응 #1471263

ord-8c9e7864d2054662b3b3dad9a93ac9b6

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    workup.ADDITIONwas added dropwise under ice cooling
  2. 2
    workup.STIRRINGthe reaction mixture was stirred at room temperature for 67 hours

실험 절차

Into a solution of 5.01 g (40 mmol) of 1-methyl-3-pyrrolecarboxylic acid and 16.87 g (48 mmol) of β-alanine benzyl ester p-toluenesulfonate in 200 ml of dimethylformamide (hereinafter called “DMF”), a solution of 7.83 g (48 mmol) of diethyl phosphorocyanidate in 50 ml of DMF was added dropwise under ice cooling and stirring. A solution of 9.71 g (96 mmol) of triethylamine in 50 ml of DMF was then added dropwise, and the reaction mixture was stirred at room temperature for 67 hours.

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US06258805B1uspto-grants-2001_07