Cascade Cyclization of o‑(2-Acyl-1-ethynyl)benzaldehydes with Amino Acid Derivatives: Synthesis of Indeno[2,1‑c]pyran-3-ones and 1‑Oxazolonylisobenzofurans via the Erlenmeyer–Plöchl Azlactone Reaction

• Rattana Worayuthakarn,
• Nattanit Suddee,
• Chatphorn Theppitak,
• Kittipong Chainok,
• Somsak Ruchirawat,
• Nopporn Thasana

Affiliations

Rattana Worayuthakarn

Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, Bangkok, Thailand

Nattanit Suddee

Chemical Sciences Program, Chulabhorn Graduate Institute, Bangkok, Thailand

Chatphorn Theppitak

Thammasat University Research Unit in Multifunctional Crystalline Materials and Applications (TU-MCMA), Faculty of Science and Technology, Thammasat University, Pathum Thani, Thailand

Kittipong Chainok

Thammasat University Research Unit in Multifunctional Crystalline Materials and Applications (TU-MCMA), Faculty of Science and Technology, Thammasat University, Pathum Thani, Thailand

Somsak Ruchirawat

Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, Bangkok, Thailand

Nopporn Thasana

Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, Bangkok, Thailand