Ring opening of (–)-pin-2(10)-ene with iodine
Abstract
(–)-Pin-2(10)-ene reacts with iodine to give 7,8-di-iodo-p-menth-1-ene (II). The latter, on treatment with di-methyl sulphoxide, gives p-mentha-1,4(8)-dien-7-al (V), an isomer of p-mentha-1,8-dien-7-al (perillaldehyde)(I).