Mehta, Goverdhan ; Uma, R. (1995) Diastereofacial control in cycloadditions to a dissymmetric cyclohexa-1,3-diene moiety in a polycyclic framework. Distal protective groups as stereodirectors Tetrahedron Letters, 36 (27). pp. 4873-4876. ISSN 0040-4039
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/004040...
Related URL: http://dx.doi.org/10.1016/0040-4039(95)00842-Z
Abstract
The carbonyl-face selectivity in [4+2]-cycloaddition of certain dienophiles to 1a can be completely reversed through protection of the carbonyl groups as simple mono- or bis-acetals. The use of protecting groups as stereodirectors is highlighted.
| Item Type: | Article |
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| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 28976 |
| Deposited On: | 18 Dec 2010 05:44 |
| Last Modified: | 18 Dec 2010 05:44 |
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