Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1970-12-14
1976-04-27
Garner, Vivian
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260413, 2604109R, 2604654, 260468G, 260470, 260473G, 260476R, 260478, 260481R, 260482R, 260484R, 260486D, 260488F, 260514R, 260514G, 260515R, 260516, 260520R, 260526R, 260526N, 260526S, 260534R, 260535R, 260540, 260586P, 260590D, 260591, 260592, 260593R, 260593H, 260598, 260599, 260600R, 260601R, 260590R, C07C 5128, C07C 6742
Patent
active
039534944
ABSTRACT:
A process for preparing aldehydes, ketones, carboxylic acids and esters by reaction of various substrates with carbon tetrahalides in the presence of a strong base. The reactions are accelerated by the presence of a polar solvent. Anions of the substrate attack the carbon tetrahalide to produce a halogenated intermediate and a dihalocarbene. The halogenated intermediate reacts with the base to form the indicated products. By the reactions of this process, primary alcohols are converted to aldehydes, carboxylic acids and esters, secondary alcohols are converted to ketones and ketones having an .alpha.-methyl group or both .alpha. and .alpha.' hydrogens are converted to carboxylic acids and esters. Non .alpha.-methyl ketones having .alpha. but no .alpha.' hydrogens are simply .alpha.-halogenated. The dihalocarbene generated in the reaction may attack the product, solvent, or another substrate to form other products.
REFERENCES:
organic Reactions, Vol. 13, 1963, pp. 58-64.
Matthews, III Walter Sidney
Meyers Cal Yale
Garner Vivian
Southern Illinois University Foundation
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