Synthesis of ethylenically unsaturated compounds from esters or

Details Synthesis of ethylenically unsaturated compounds from esters or Synthesis of ethylenically unsaturated compounds from esters or

1975-07-24

1977-05-03

Todd, G. Thomas

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260583H, 260614R, C07D29502

Patent

active

040214290

ABSTRACT:
Certain hydrocarbylidene-niobium or -tantalum complexes react with esters or N,N-disubstituted amides to produce ethylenically unsaturated compounds. Exemplary is the reaction of trineopentyl(neopentylidene)tantalum with ethyl acetate to produce 2-ethoxy-4,4-dimethyl-2-pentene: ##STR1##

REFERENCES:
morrison et al., "Organic Chemistry, 2nd Ed.," Allyn and Bacon, Inc., Boston (1966), pp. 870-871.

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