فهرست مقالات Tributyl hexadecyl phosphonium bromide دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Tributyl hexadecyl phosphonium bromide as a new and efficient catalyst for the one-pot synthesis of 3,4-dihydropyrimidinones/thiones via a three component condensation reactions Rashid Badri Leila Mohammadi Ali Reza kiasat