C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/558.1
C07C 255/58 (2006.01) C07C 255/00 (2006.01) C07D 239/00 (2006.01) C07D 239/84 (2006.01) C07D 239/94 (2006.01) C07D 239/95 (2006.01)
Patent
CA 1282078
P3-3533 Abstract An improved process for the preparation of 6-sub- stituted-5-alkyl)-2,4-quinazolinediamines, useful in the production of trimetrexate and similar antifolate agents, together with several novel intermediates are disclosed.
540861
Berman Ellen M.
Suto Mark J.
Berman Ellen M.
Macrae & Co.
Suto Mark J.
Warner-Lambert Company
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