Studies on the syntheses of heterocyclic compounds. part dcxxxvi. an alternative synthesis of pentazocine

TLDR: In this paper, the important starting material in a synthesis of pentazocine was easily prepared by treating gaseous formaldehyde with 2-lithio-2-butene.

Abstract: The important starting material in a synthesis of pentazocine (1) was easily prepared by treating gaseous formaldehyde with 2-lithio-2-butene. Both E- and Z-2-bromo-2-butenes (2, 3) gave the same Z...