Process for the preparation of azidobenzal compounds

Details Process for the preparation of azidobenzal compounds Process for the preparation of azidobenzal compounds

1980-12-19

1982-10-19

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

564306, C07C11700

Patent

active

043549764

ABSTRACT:
A process for preparing a 2,6-bis-[(4-azidophenyl)methylene]-cyclohexanone of the formula ##STR1## wherein R is hydrogen or alkyl of 1-6 C atoms, comprises condensing a cyclohexanone of the formula ##STR2## wherein R is as defined above, with 4-aminobenzaldehyde, the 4-amino group optionally being protected, in the presence of an alkaline condensing agent; removing the protective group when the 4-amino group is protected; diazotizing the resultant 2,6-bis-[(4-aminophenyl)methylene]-cyclohexanone of the formula ##STR3## wherein R is as defined above, and reacting the diazotization product with an alkali metal azide.

REFERENCES:
patent: 2940853 (1960-06-01), Sagura et al.

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