반응 #684763

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3,5-diphenyl-2-pyrazoline

→

3,5-diphenylpyrazole

수율 76.4%

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후처리

1. 1
   기타2 hour
2. 2
   온도of reflux

실험 절차

The procedure of Example 18 is followed except that 2 parts of 5% palladium on barium sulfate are used in lieu of the palladium on alumina Example 18. Following a 21/2 hour of reflux, unreacted 3,5-diphenyl-2-pyrazoline is found to amount to 2.4%, and a 76.4% yield of 3,5-diphenylpyrazole, melting at 198° - 201° C. is obtained.

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