반응 #3742

ord-db920a7cf3b74cdbbcd3ab9ee72edff5

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    기타can be obtained

실험 절차

A compound having the formula (4) can be obtained as follows. The corresponding 2, 3-dicyano-pyrazine is reacted with tert-butyl alcohol or isobutylene in the presence of sulfuric acid to obtain the corresponding N-tert-butyl-2-pyrazinecarboxamide and/or 3-cyano-N-tert-butyl-2-pyrazinecarboxamide. Then, thus obtained corresponding N-tert-butyl-2-pyrazinecarboxamide and/or 3-cyano-N-tert-butyl-2-pyrazinecarboxamide are hydrolyzed under an alkaline condition.

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US05734055uspto-grants-1998_03