Dike, Suneel Y. ; Merchant, Jayasukhlal R. ; Sapre, Niteen Y. (1991) A new and efficient general method for the synthesis of 2-spirobenzopyrans: first synthesis of cyclic analogues of precocene I and related compounds Tetrahedron, 47 (26). pp. 4775-4786. ISSN 0040-4020
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00404...
Related URL: http://dx.doi.org/10.1016/S0040-4020(01)86481-4
Abstract
A new synthesis of spirobenzopyran has been accomplished by Friedel-Crafts reaction of various m-dihydroxybenzenes and cycloalkylidene acetic acid in the presence of a Lewis acid. Starting from cycloalkylidene acetic acid novel synthesis of 2-spiro-benzopyrans has been accomplished.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 31651 |
| Deposited On: | 30 Mar 2011 12:14 |
| Last Modified: | 11 May 2011 08:27 |
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