Molecular Structure and Related Aspects of 5- and 6-Substituted Isoquinuclidines
โ Scribed by F. Javier Villasante; Yolanda G. Vazquez; Lourdes Gude
- Publisher
- John Wiley and Sons
- Year
- 2007
- Weight
- 11 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0931-7597
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โฆ Synopsis
Abstract
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๐ SIMILAR VOLUMES
The MM2 and MM3 force fields have now been parameterized for ketene and its various derivatives. With the addition of the C,,=O bond stretching and C,,2=C,,=O bond bending parameters, calculations were performed on ketene and six substituted ketene compounds. The MM2 results are quite good with only
## Abstract For Abstract see ChemInform Abstract in Full Text.
The crystal and molecular structures of methyl 2,4,6-tri-O-pivaloyl-o-Dglucopyranoside (l), methyl 4,6-0-(R)-benzylidene-2-O-pivaloyl-a-D-glucopyranoside (2), and methyl 4,6-O-(R)-benzylidene-2,3-di-O-pivaloyl-a-D-glucopyranoside (3) were determined by X-ray analysis. Crystals of 1 are orthorhombic,