Kotha, Sambasivarao ; Sreenivasachary, Nampally ; Brahmachary, Enugurthi (2001) Synthesis of benzocycloheptene-based amino acid derivatives via a [4+2] cycloaddition reaction as a key step Tetrahedron, 57 (29). pp. 6261-6265. ISSN 0040-4020
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0040-4020(01)00575-0
Abstract
The seven-membered diene 5 is prepared from 2-butyne-1,4-diol using double orthoester Claisen rearrangement reaction as a key step. The Diels-Alder reaction of the diene 5 with various dienophiles followed by oxidation delivered the benzocycloheptene-based α-amino acid derivatives in very good yields.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Amino Acids and Derivatives; Cycloadditions; Dienes; Diels-Alder Reaction Drugs |
| ID Code: | 65153 |
| Deposited On: | 15 Oct 2011 11:38 |
| Last Modified: | 15 Oct 2011 11:38 |
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