C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 51/58 (2006.01) C07C 43/16 (2006.01) C07C 43/17 (2006.01) C07C 43/178 (2006.01) C07C 51/09 (2006.01) C07C 51/60 (2006.01) C07C 53/50 (2006.01) C07C 59/315 (2006.01) C07C 62/08 (2006.01) C07C 67/08 (2006.01) C07C 67/14 (2006.01) C07C 67/287 (2006.01) C07C 67/307 (2006.01) C07C 69/003 (2006.01) C07C 69/63 (2006.01) C07C 69/708 (2006.01) C08G 73/24 (2006.01)
Patent
CA 2381351
The process for producing a vic-dichloro acid fluoride compound in a short process and in good yield from the starting material which is inexpensive and readily available is provided. (R H1-E H1-)CR H2R H3CH2-OCOR HB (I) is fluorinated in a liquid phase to form (CF2C1CFC1-E F1-) CR F2R F3CF2-OCOR FB(II), and then, an ester bond of the compound (II) is dessociated to form (CF2C1CFC1-E F1-)CR F2R F3COF (III) or the compound (III) and FCOR FB (IV).
L'invention concerne un procédé de préparation d'un composé de fluorure d'acide vic-dichloro selon un processus de courte durée et à rendement élevé, à partir d'une matière de base peu coûteuse et facile à obtenir. (R<H1>-EH1-)CR<H2>R<H3>CH2-OCOR<HB> (I) est fluoré dans une phase liquide pour former (CF2C1CFC1-E<F1>-) CR<F2>R<F3>CF2-OCOR<FB> (II), puis une liaison d'ester du composé (II) est dissociée pour former (CF2C1CFC1-E<F1>-)CR<F2>R<F3>COF (III) ou le composé (III) et FCOR<FB> (IV).
Ito Masahiro
Okazoe Takashi
Shirakawa Daisuke
Tatematsu Shin
Watanabe Kunio
Asahi Glass Company Limited
Smart & Biggar
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