Kasturi, TR and Ramachandra, R and Damodaran, KM and Vijayan, Kalyani (1972) A novel acid catalysed cyclization - synthesis and X-ray crystal structure analysis of 8-Acetoxy-6-(2,4-Dimethoxy-5 -Bromophenyl)-3-Methyltricyclo(5,2,1,03,8)Decan-2-one. Tetrahedron Letters, 50. pp. 5059-5062.
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Abstract
In connection with the total synthesis of heterocyclic steroids, we undertook the synthesis of a B-secosteroid intermediate (I) starting from 2',3,4'-trimethoxy-propiophenone [1]. Examples involving a 'B-seco' approach for the total synthesis of steroids are the synthesis of oestrone [2] and steroids -without ring B [3]. We wish to report in this communication the structure of a novel steroid derivative without ring B by an acid catalysed quot;bis cyclization. Incidentally, this forms a new approach to the synthesis of homobrendane derivatives [4].
Item Type: | Article |
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Additional Information: | Copyright for this article belongs to Pergamon Press |
Uncontrolled Keywords: | Catalysed cyclization;X-ray crystal structure |
Subjects: | CHEMISTRY AND MATERIALS > Inorganic, Organic and Physical Chemistry |
Depositing User: | Mr. Ravikumar R |
Date Deposited: | 16 Oct 2006 |
Last Modified: | 24 May 2010 04:21 |
URI: | http://nal-ir.nal.res.in/id/eprint/3004 |
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