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    Öğe
    Addition of dibromocarbene to cyclobutene
    (Sage Publications Ltd, 2004) Algi, F; Hökelek, T; Balci, M
    Cyclobutene reacted with dibromocarbene in solution to give 1,5-dibromocyclopent-1-ene (9), 1,2,6, 6-tetrabromobicyclo[3.1.0]hexane (10), and 1,2,3,6-tetrabromocyclohex-1-ene (11), in a ratio of 1:4:8, respectively. Compounds 10 and 11 were found to be formed from a second carbene addition and rearrangement under the given reaction conditions.
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    Öğe
    Functionalization of saturated hydrocarbons.: High temperature bromination of octahydropentalene.: Part 19
    (Pergamon-Elsevier Science Ltd, 2005) Günbas, DD; Algi, F; Hökelek, T; Watson, WH; Balci, M
    The synthesis and thermal bromination of octahydropentalene was studied. The reaction afforded 1a,3a,4b,6b-tetrabromo-1,2,3, 4,5,6-hexahydropentalene (14) with remarkable regio- and stereospecificity. The structure of the product was determined by H-1 and C-13 NMR data and single X-ray structural analysis. The treatment of octahydropentalene with tenfold bromine gave the octabromopentalene derivative. The formation mechanism of the products is discussed. (c) 2005 Elsevier Ltd. All rights reserved.