| 摘要 |
1,192,106. 2 - Halo -1,3,3 - trifluoropropenes. BAXTER LABORATORIES Inc. 8 Aug., 1968 [31 Aug., 1967], No. 44401/69. Divided out of 1,192,104. Heading C2C. The invention comprises compounds of the general formula CHF 2 -CX = CHF wherein X is Br or Cl. The compounds are prepared by the alkaline dehydrofluorination of at 25-65‹ C. or of CHF 2 -CHBr-CHF 2 at 25-85‹ C. Specifications 1,134,985, 1,192,104 and 1,192,105 are referred to.
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