The stereospecific cycloaddition of chlorosulfonyl isocyanate to cis- and trans-β-methylstyrene and cis- and trans-3-hexene

✍ Scribed by Emil J. Moriconi; John F. Kelly

• Publisher: Elsevier Science
• Year: 1968
• Tongue: French
• Weight: 198 KB
• Volume: 9
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(01)98973-7

✦ Synopsis

In the cycloaddition of chlorosulfonyl isocyanate (CSI) to olefins, Graf 182 envisioned a two-step mechanism involving the initial formation of a 'dipolar adduct' &which could stabilize itself through closure to the four-membered%and/or *proton shift toA. Similarly,