Hydrochloric Acid → Cyclopentene
Reaktionsgleichung
C(Cl)(C)(C)C.Cl.[CH:7]1(Cl)[CH2:11][CH2:10][CH2:9][CH2:8]1.C1([SiH](Cl)Cl)CCCC1.C1([Si:26]([Cl:29])([Cl:28])[Cl:27])CCCC1>>[CH:7]1[CH2:11][CH2:10][CH2:9][CH:8]=1.[Cl:27][SiH:26]([Cl:29])[Cl:28]C(Cl)(C)(C)C.Cl.[CH:7]1(Cl)[CH2:11][CH2:10][CH2:9][CH2:8]1.C1([SiH](Cl)Cl)CCCC1.C1([Si:26]([Cl:29])([Cl:28])[Cl:27])CCCC1>>[CH:7]1[CH2:11][CH2:10][CH2:9][CH:8]=1.[Cl:27][SiH:26]([Cl:29])[Cl:28]
The reaction was carried out under the same condition as in Example 3, except that the same amount of t-butyl chloride was used as the hydrogen chloride source. A mixture of cyclopentyl chloride and t-butyl chloride having the mixing ratio of 1:2 was reacted with metallic silicon at 280° C. to give 30.1 g of reaction products. The reaction products contained 6.2 g (39.1%) of cyclopentyldichlorosilane and 0.3 g (1.6%) of cyclopentyltrichlorosilane. There were not starting materials unreacted. As other by-products, 3.7 g (58.4%) of cyclopentene, 2.9 g of trichlorosilane and unconfirmed materials were obtained.
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