A New Synthetic Route to Dihydrobenzopyran Via Tandem Demethylation Cyclisation
oleh: G. Shanmugam, S. Shanmuga Sundara Raj, R. Thirumurugan, N. D. Pradeep Singh, Viswanathan Kasinath, Geetha Gopalakrishnan
| Format: | Article |
|---|---|
| Diterbitkan: | MDPI AG 2000-06-01 |
Deskripsi
A tandem demethylation-cyclisation reaction resulting in the formation of pyran rings using AlCl3/EtSH reagent under mild reaction conditions is reported. X-ray diffraction studies on the intermediate support the suggested mechanism.