Verfahren zur Herstellung von substituierten Cyclopentadienen

申请公布号：DE2021251(A1)

申请号：DE19702021251

申请日期：1970.04.30

申请公布日期：1970.11.19

申请人：

E.I. DU PONT DE NEMOURS AND COMPANY

发明人：AUGUSTUS STEWART JUN.,CLARE

分类号：C07C2/86

主分类号：C07C2/86

摘要：1305067 Stabilizing neoprene E I DU PONT DE NEMOURS & CO 15 May 1970 [15 May 1969] 23763/70 Heading C3P [Also in Division C5] Compounds prepared by reacting (a) cyclopentadiene or an alkyl, aryl, aralkyl or 4-cyclepentadienyl-but-2-enyl-substituted cyclopentadiene with (b) a halide of formula X-CH 2 -Y, where X is Cl, Br or I and Y is aryl, vinyl, substituted aryl or substituted vinyl, under certain conditions (see Division C5), are stated to be useful as antiozonants in neoprene. The following specific compounds are prepared: allyl cyclopentadiene, mixed dito hexa-allyl cyclopentadienes, benzyl cyclopentadiene, 1,4-bis- (cyclopentadienyl) butene-2 and poly-[1,4-bis- (cyclopentadienyl) butene-2].

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