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USRE32122E 4-substituted 3,3-dimethyl-butan-2-ones, processes for their preparation and their use as intermediate products 失效
4-取代的3,3-二甲基 - 丁-2-酮,其制备方法及其作为中间产物的用途

4-substituted 3,3-dimethyl-butan-2-ones, processes for their preparation
and their use as intermediate products
摘要:
4-substituted 3,3-dimethyl-butan-2-ones of the formula ##STR1## in which R represents cyano or the group --X--R',whereinR.sup.1 represents n-alkyl with 1 to 4 carbon atoms, isopropyl, isobutyl, sec.-butyl, alkenyl with 3 to 4 carbon atoms, alkynyl with 3 to 4 carbon atoms, optionally substituted aryl or substituted aralkyl, or represents cyano provided that X represents --O-- or --S--, andX represents --O--, --S--, --SO--, or --SO.sub.2 --,which are intermediates for the synthesis of fungicides.
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