Chemistry of hydrocarbon compounds – Compound or reaction product mixture – Alicyclic
Patent
1996-08-12
1999-05-04
Smith, Jeffrey T.
Chemistry of hydrocarbon compounds
Compound or reaction product mixture
Alicyclic
585 22, 585357, C07C 13615, C07C 132
Patent
active
059005173
ABSTRACT:
Cyclopentadienyl derivatives are described having general formula (I) ##STR1## where R, R.sub.1, R.sub.2, R.sub.4, equivalent to or different from one another, are selected from: --H, alkyl radicals having a number of carbon atoms from 1 to 5, cycloalkyl radicals having a number of carbon atoms from 5 to 8, aryl and alkylaryl radicals having a number of carbon atoms from 6 to 8, aralkyl radicals having a number of carbon atoms from 7 to 9; n is an integer from 2 to 18; with the proviso that the number of R different from H does not exceed 2; with the exclusion of the compound having n=3, R.dbd.R.sub.1 .dbd.R.sub.2 .dbd.R.sub.4 .dbd.H. The invention a-so describes the process for the preparation of the above-mentioned cyclopentadienyl derivatives.
REFERENCES:
P. 21 of examiner reference "5" of previous Form PTO 892.
Answer 9 of 16, Document No. 103;215140 by Jessen et al Chem Ber., 118(8), 3287-98 (German) 1985 abstract pp. 14, 15.
Answer 12 of 16 Document No. 83:113736 by McAndrew et al. J. Chem Soc., Perkin Trans. 1 (12), 1172-80 (English) 1975 abstract pp. 19,20.
Alfred Pauli, et al., "Tetrahydropentalene", Chemische Berichte, vol. 120, 1987 Weinheim DE, (pp. 1617-1620).
V. A. Mironov, et al., "Cyclic Unsaturated Compounds.XXXVIII. The Thermal (pp. 3347-3350).
Gerard Dauphin, et al., "Cyclisation de Systemes Trieniques. V. Peparation d'un Hexahydroazulene", No. 8-9, 1970 Paris FR, (pgs. 3162-3163).
Banzi Viviano
Biagini Paolo
Borsotti Giampiero
Lugli Gabriele
Santi Roberto
Enichem S.p.A.
Sarofim N.
Smith Jeffrey T.
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