专利号:US-3950160-A 优先权日:1972-09-27 标题:Inhibiting the growth of weeds with 2-substituted pyrdidopyimidines and salts thereof 发明人:ABU EL-HAJ MARWAN J; DOMINY BERYL WILLIAM 权利人:PFIZER 摘要:2-Substituted pyridopyrimidines and their alkali and alkylamine salts as herbicides, and processes for the synthesis of starting materials leading to the preparation thereof.
专利号:US-3962264-A 优先权日:1972-09-27 标 题:Process for making 2-amino nicotinonitrile 发明人:ABU EL-HAJ MARWAN J; DOMINY BERYL WILLIAM 权利人:PFIZER 摘要:2-Substituted pyridopyrimidines and their alkali and alkylamine salts as herbicides, and processes for the synthesis of starting materials leading to the preparation thereof.
专利号:US-3917624-A 优先权日:1972-09-27 标题:Process for producing 2-amino-nicotinonitrile intermediates 发明人:ABU EL-HAJ MARWAN J; DOMINY BERYL WILLIAM 权利人:PFIZER 摘要:2-Substituted pyridopyrimidines and their alkali and alkylamine salts as herbicides, and processes for the synthesis of starting materials leading to the preparation thereof.
专利号:US-3862191-A 优先权日:1972-09-27 标 题 :Pyrido{8 2,3-d{9 pyrimidin-4(3H)-one 发明人:EL-HAJ MARWAN J ABU; DOMINY BERYL WILLIAM 权利人:PFIZER 摘要:2-Substituted pyridopyrimidines and their alkali and alkylamine salts as herbicides, and processes for the synthesis of starting materials leading to the preparation thereof.
摘要:A. Albert and A. Hampton. J. Chem. Soc. 1954, 505. 摘要:Sako, M., Science of Synthesis, (2004) 16, 1213. 摘要:Sako, M., Science of Synthesis, (2004) 16, 1215.