Catalyst-free regioselective synthesis of benzopyran-annulated thiopyrano[2,3-b]thiochromen-5-(4H)-one derivatives by domino-Knoevenagel-hetero-Diels–Alder reaction of terminal alkynes with 4-hydroxy dithiocoumarin in aqueous medium

✍ Scribed by K.C. Majumdar; Abu Taher; Sudipta Ponra

• Publisher: Elsevier Science
• Year: 2010
• Tongue: French
• Weight: 1017 KB
• Volume: 51
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/j.tetlet.2010.02.118