The titanium tetrachloride induced synthesis of N-phosphinoylimines and N-sulphonylimines directly from aromatic aldehydes

来自 Elsevier

阅读量:

19

作者:

JCJ Lovely

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摘要:

The reaction of phosphinic amides or sulphonamides with an aromatic aldehyde in the presence of titanium tetrachloride and triethylamine provides a simple, one-step preparation of N-phosphinoylimines (5a-e) and N-sulphonylimines (7a-g). The extension of this reaction to ketones failed to give the desired imines, the aldol condensation products were obtained instead. The reaction of (+)-camphor with phosphinic amides or sulphonamides in refluxing toluene in the presence of titanium tetrachloride and triethylamine affords the (−)-camphorphosphinoyl- and (−)-camphorsulphonylimines in moderate yield.

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DOI:

10.1016/S0040-4020(01)80987-X

被引量:

412

年份:

1991

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2010
被引量:48

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