Yadav, Jhillu S. ; Subba Reddy, B. V. ; Parisse, Celine ; Carvalho, Peter ; Prabhakar Rao, T. (2002) A facile synthesis of indeno[1,2-b]chromanes catalyzed by scandium triflate Tetrahedron Letters, 43 (16). pp. 2999-3002. ISSN 0040-4039
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0040-4039(02)00440-9
Abstract
Scandium triflate efficiently catalyzes the cyclocondensation of o-hydroxybenzaldehydes with alkenes such as indene, styrene and allyltrimethylsilane in the presence of trimethyl orthoformate at ambient temperature to afford a new class of compounds, 2,4-disubstitued chromanes in high yields with high diastereoselectivity.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Sc(OTf)3; O-quinonemethide; O-hydroxybenzaldehydes; Indenochromanes |
| ID Code: | 64493 |
| Deposited On: | 08 Oct 2011 12:33 |
| Last Modified: | 08 Oct 2011 12:33 |
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