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US4766238A Fluorine-containing compounds, and their preparation and use 失效
含氟化合物及其制备和用途

Fluorine-containing compounds, and their preparation and use
摘要:
A novel fluorine-containing compound of the formula:(CF.sub.3).sub.2 CHCO.sub.2 CClX.sup.1 X.sup.2 (I)wherein X.sup.1 and X.sup.2 are, the same or different, each a hydrogen atom or a chlorine atom, which is useful as the starting material for production of 2-trifluoromethyl-3,3,3-trifluoropropene.
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