
Journal fur Praktische Chemie - Chemiker-Zeitung p. 333 - 339 (1994)
Update date:2022-08-05
Topics:
Stanetty, Peter
Rodler, Inge K.
Krumpak, Barbara
The target compounds 21-27 were synthesized via bromination of the N,N,1,1-tetramethylisobenzofuranamines 13, 15 and 16, subsequent bromine-lithium exchange and reaction with propanal or propanoyl chloride, respectively.In the course of some model reactions undertaken to test a synthetic strategy based on directed ortho-lithiation governed by the dimethylamino-group a useful synthesis of the ketone 3 was developed.
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