An improved process for the preparation of 6-substituted-5-alkyl-2,4-quinazolinediamines, useful in the production of trimetrexate and similar antifolate agents, together with several novel intermediates are disclosed.
Insecticidal substituted-2.4-diaminoquinazolines related applications
申请人:FMC Corporation
公开号:US05874579A1
公开(公告)日:1999-02-23
An insecticidal composition comprising, in admixture with an agriculturally acceptable carrier, an insecticidally effective amount of a 2,4-diaminoquinazoline compound of the formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.6, R.sup.7, W, X, Y, and Z are as defined herein; methods of using the same; novel 2,4-diaminoquinazolines per se; and intermediates in the preparation thereof.
Process for preparing 5,6-substituted-2,4-quinazolinediamines and intermediates
申请人:WARNER-LAMBERT COMPANY
公开号:EP0253396A2
公开(公告)日:1988-01-20
An improved process for the preparation of 6-substituted-5-alkyl-2,4-quinazolinediamines, useful in the production of trimetrexate and similar antifolate agents, together with several novel intermediates are disclosed.