반응 #3566

ord-c69ff002447f448f808b08dbb0ba58fb

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    기타The product was purified by medium pressure liquid chromatography
  2. 2
    세척eluting with 1:1CHCl3

실험 절차

The title compound was prepared from 0.3 g of 6-(2,3,5,6-tetramethyl-phenyl)-pyrido[2,3-d]pyrimidine-2,7-diamine from Example 98 and 0.125 mL of tert-butyl isocyanate according to Example 2. The product was purified by medium pressure liquid chromatography eluting with 1:1CHCl3 :EtOAc; mp >300° C.; CIMS (1% ammonia in methane): m/z (relative intensity) 393 (MH+, 55), 394 (MH+ +1, 13), 84 (100).

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US05733913uspto-grants-1998_03