MAGNESIUM-MEDIATED ORTHO-SPECIFIC FORMYLATION AND FORMALDOXIMATION OF PHENOLS

被引:66
作者
ALDRED, R
JOHNSTON, R
LEVIN, D
NEILAN, J
机构
[1] ZENECA FINE CHEM MFG ORG,DEPT PROC TECHNOL,MANCHESTER M9 8ZS,LANCS,ENGLAND
[2] ZENECA INC,CHEM TECHNOL GRP,WILMINGTON,DE
来源
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1994年 / 13期
关键词
D O I
10.1039/p19940001823
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Deprotonation of phenols using magnesium methoxide, followed by distillative removal of free methanol and addition of paraformaldehyde results in ortho-specific magnesium-mediated formylation to give the corresponding salicylaldehyde magnesium salts, from which the salicylaldehydes can be isolated by acidic work-up. Addition of aq. hydroxylamine sulfate to the salicylaldehyde magnesium salts, in place of the acid work-up, gives the corresponding salicylaldoximes.
引用
收藏
页码:1823 / 1831
页数:9
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