New general asymmetric synthesis of versatile .gamma.-alkylated butenolides and its application to expeditious synthesis of the chiral Geissman-Waiss lactones useful for (+)-retronecine synthesis

✍ Scribed by Nagao, Yoshimitsu; Dai, Wei Min; Ochiai, Masahito; Shiro, Motoo

• Book ID: 111898049
• Publisher: American Chemical Society
• Year: 1989
• Tongue: English
• Weight: 949 KB
• Volume: 54
• Category: Article
• ISSN: 0022-3263
• DOI: 10.1021/jo00283a009