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Cyclopentane derivatives Cyclopentane derivatives Q 0030Synthesis and Conversion of 3-(2',4')-Cyclopentadienyl-1-propyne. -The first synthesis of the title propyne (III) via phase-transfer catalyzed C-propargylation of cyclopentadiene with propargyl bromide and transformations of (III) into various heteroatom derivatives are described. -(TALYBOV, G. M.; NURIEVA, U. G.; ASKEROV, M. E.; KARAEV, S. F.; Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol. 46 (2003) 2, 70-72; Azerb. gos. neft. akad., Baku, Azerbaijan; Russ., Abstr. Eng.) -Koehler 34-063

methanols. -Novel title compounds are prepared from ethers (VI) by HBr-elimination/heterocyclization in the presence of KOH. -(TALYBOV, G. M.; NURIEVA, U. G.; KARAEV, S. F.; Russ.

Cyclohexane derivatives Q 0040Synthesis and Some Reactions of 2-Bromocyclohexyl Propargyl Ether. -An effective approach towards title bromocyclohexyl propargyl ether (III) is presented, involving the phosphomolybdic acid-catalyzed reaction of bromocyclohexene (I) with propargyl alcohol (II). Several substitution as well as addition reactions at the propargylic residue are presented. -(TALYBOV, G. M.; KARAEV, S. F.; NURIEVA, U. G.; ASKEROV, M. E.; TEIMUROVA, R. A.; Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol. 47 (2004) 3, 70-73; Azerb. gos. neft. akad., Baku, Azerbaijan; Russ.) -Mischke 22-064