Sulfamic Acid: An Efficient Catalyst for the Diastereoselective, One-Pot Synthesis of Pyrano Benzopyrans, Furano Benzopyrans and Ethoxy Benzopyrans

Title: Sulfamic Acid: An Efficient Catalyst for the Diastereoselective, One-Pot Synthesis of Pyrano Benzopyrans, Furano Benzopyrans and Ethoxy Benzopyrans

Volume: 2 Issue: 5

Author(s): R. S. Kumar, R. Nagarajan, K. Vijay and P. T. Perumal

Affiliation:

Keywords: sulfamic acid, three- component coupling, diastereoselective, pyranobenzopyran, furanobenzopyran

Abstract: Sulfamic acid catalyses the one-pot three components coupling of aldehydes, anilines and electron rich dienophiles such as dihydropyran, dihydrofuran and ethyl vinylether resulting in the formation of pyrano, furano and ethoxy benzopyrans.

Cite this article as:

Kumar S. R., Nagarajan R., Vijay K. and Perumal T. P., Sulfamic Acid: An Efficient Catalyst for the Diastereoselective, One-Pot Synthesis of Pyrano Benzopyrans, Furano Benzopyrans and Ethoxy Benzopyrans, Letters in Organic Chemistry 2005; 2 (5) . https://dx.doi.org/10.2174/1570178054405841