摘要
Reaction of 2,4-di-Eert-butyl-phenol,ethylenediamine and formaldehyde (37% solution in water)in 2:1:5molar ratio in methanol afforded the 1,2-bis[3-(6,8-di-tert-butyl-3,4-dihydro-2[H]-1,3-benzoxazine)-yl]ethane in high yields.This compound was fully characterized by elemental analysis,~1H NMR,MS,and...
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单位化学化工学院; 苏州大学