The reaction of safrole oxide with sodium alkoxide ( phenoxide) gave 1-alkoxy ( phenoxy)-3-( 3,4-methylenedioxy) phenyl-2-propanol with high regioselectivity. ***氧化物与烷氧基钠和苯氧基钠反应,区域选择性地开环加成,生成1烷(苯)氧基3(3,4亚甲基二氧)苯基2丙醇。
Single modifier system and asymmetric ether/ sodium alkoxide composited modifier system were used to prepare polybutadiene with n-BuLi as initiator, cyclohexane as solvent. 本文以正丁基锂为引发剂,环己烷为溶剂,分别采用单一调节剂体系和不对称醚/烷氧基钠的复合调节剂体系制备聚丁二烯。
Preparation of High Vinyl Polybutadiene with Asymmetric Ether/ Sodium Alkoxide Composited Modifiers System 不对称醚/烷氧基钠复合调节剂体系合成高乙烯基聚丁二烯