Oblon, Fisher, Spivak, McClelland & Maier
Bornane-3-spiro-1'-cyclopentane derivatives and perfumery compositions containing them
 The invention provides derivatives of bornane-3-spiro-1'-cyclopentane with woody note scent useful as a base component in perfumery formulations which comprises those having a substituting group selected from a methoxyl, ethoxyl, formyloxyl and acetoxyl groups or two of substituting groups being either a hydroxyl group and a methyl group or a hydroxyl group and an ethyl group at the 2-position synthesized by any of the reactions of borane-3-spiro-1'-cyclopentan-2--ol or bornane-3-spiro-1'-cyclopentan-2-one with any of the reagents selected in accordance with the substituting group(s) to be introduced. The invention also provides perfumery compositions containing the above. 
Kao Corporation
C C C
C11B C07C C07C
inventional inventional inventional
Yoshiaki Manabu Tomohito Nao
Fujikura Fujita Kitsuki Toi