반응 #215192

ord-2f5adba5db884ee380f7cb8c8031258e

반응 방정식

NCCCN
1,3-diaminopropane
COC(=O)c1ccccc1
benzoic acid methyl ester
C1=CNC(c2ccccc2)NC1
2-phenyl-tetrahydropyrimidine
수율 79.0%

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    workup.DISTILLATIONthe excess of diamine was distilled off

실험 절차

With 185 g 1,3-diaminopropane, 136 g benzoic acid methyl ester were reacted under pressure at 200° C. in the reactor. After 3 hours, the excess of diamine was distilled off, and the 2-phenyl-tetrahydropyrimidine was isolated in a 79% yield. Boiling point 165° C./1 mm; melting point=86°-87° C.

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US04258186uspto-grants-1981_03