作者:James J. A. Campbell、Stephen J. Noyce、Richard C. Storr
DOI:10.1039/c39830001344
日期:——
Attack of alkyl Grignard reagents on 4-substituted 1,2,3-benzotriazines occurs at N-2; ethylmagnesium iodide attacks at N-2 of 3-methyl-1,2,3-benzotriazin-4(3H)-one whereas methylmagnesium iodide adds at C-4 to give, after dehydration, 3,4-dihydro-4-methylene-3-methyl-1,2,3-benzotriazine.
烷基格氏试剂对4-取代的1,2,3-苯并三嗪的攻击发生在N-2处;乙基碘化碘攻击3-甲基1,2,3-苯并三嗪-4(3 H)-1的N-2处,而甲基碘化镁在C-4处加成,脱水后得到3,4-二氢-4-亚甲基-3-甲基-1,2,3-苯并三嗪。