Yadav, J. S. ; Reddy, B. V. S. ; Chandraiah, L. ; Jagannadh, B. ; Kiran Kumar, S. ; Kunwar, Ajit C. (2002) Sc(OTf)3-catalyzed synthesis of pyrano[3,2-b]-1-benzopyrans from D-glycals Tetrahedron Letters, 43 (25). pp. 4527-4530. 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)00816-X
Abstract
Glycals react smoothly with o-hydroxybenzaldehydes and trimethyl orthoformate in the presence of a catalytic amount of scandium triflate under mild reaction conditions to afford the corresponding cis-annelated pyranobenzopyrans in good yields with high diastereoselectivity.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | D-glucal; Scandium Triflate; Cis-fused Pyranobenzopyrans |
| ID Code: | 58930 |
| Deposited On: | 02 Sep 2011 03:13 |
| Last Modified: | 02 Sep 2011 03:13 |
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