New synthesis of multi-substituted α-chlorocyclobutanones from 1-chloro-3-cyanoalkyl p-tolyl sulfoxides by 4-Exo-Dig nucleophilic ring closure of magnesium carbenoids to nitrile group as the key reaction

✍ Scribed by Hideki Saitoh; Taro Sampei; Tsutomu Kimura; Yuichi Kato; Naoyuki Ishida; Tsuyoshi Satoh

• Book ID: 113930753
• Publisher: Elsevier Science
• Year: 2012
• Tongue: French
• Weight: 675 KB
• Volume: 53
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/j.tetlet.2012.03.127