Isolation of 2,5-anhydro-1,3-O-isopropylidene-6-O-trityl-D-glucitol and conformations of its 4-O-substituted and deprotected, acylated derivatives
โ Scribed by Theodore A.W. Koerner Jr.; Ronald J. Voll; Ezzat S. Younathan
- Book ID
- 108308292
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 1008 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0008-6215
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๐ SIMILAR VOLUMES
Reductive cleavage of fully methylated, partially O-carboxymethylated cellulose had previously been shown to produce 4-O-acetyl-1,5-anhydro-2,3,6-tri-O-methyl-, -2-O-(methoxycarbonylmethyl)-3,6-di-O-methyl-, -3-O-(methoxycarbonylmethyl)-2,6-di-O-methyl-, -6-O-(methoxycarbonylmethyl)-2,3-di-O-methyl-
## Electrophile (bromine, iodine, mercuric acetate, mercuric trifluoroacetate, phenylselenyl chloride)-mediated cyclization of 6-0-benzyl-1,2-dideoxy-3,4-0isopropylidene-D-ribo-hex-l-enitol (2) led exclusively to l-substituted derivatives of 2,5-anhydro-6-0-benzyl-3,4-O-isopropylidene-D-altro-hex