Oxidation of α-Longipinene with Lead Tetraacetate

Abstract

Oxidation of α-longipinene[1] with lead tetraacetate gave an unidentified tertiary alcohol [2], longi-cis-verbenol [3], longi-trans-verbenol [4], longi-cis-R-crysanthenol [5], longiverbenone [6] longi-trans-β-ciysanthenol [7] 2β, 3β-dihydroxylongipinane [8], 4α, 8-dihydroxya-longipinene [9], and 4β, 8-dihydroxy-α-longipinene [10]. The structures were elucidated on the basis of chemical and spectral evidence. Compounds [4], [5], [7], [8], [9] and [10] are new sesquiterpene alcohols.