Regioselectivity in the reactivity of dibutylstannylene derivatives of glycals
β Scribed by Hari Babu Mereyala; Vinayak R. Kulkarni
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 365 KB
- Volume
- 187
- Category
- Article
- ISSN
- 0008-6215
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π SIMILAR VOLUMES
A one-pot procedure involving the regioselective benzoylation of diols via a stannylene acetal followed by silyfation leads indirectly to regiospecificaliy silylated diols5.
Reaction of m.ro-inositol or a mixture of racemic 1,4-, 1.6-, and 4,5-di-O-allyl-mro-inositol in acetonitrile with dibutyltin oxide and ally1 bromide in the presence of tetrabutylammonium bromide gave, as the major products, a readily separable mixture of 1,3,4,6-and 1,3,4,5-tetra-O-allyl-~l~~~-inos
## Coupling of Glycal Derived Thioethyl Glycosyl Donors with Glycal Acceptors. An Advance in the Scope of the Glycal Assembly. -Glycals can be converted into thioethyl glycosyl donors through 1,2anhydrosugar intermediates. Various participating groups in the C-2 position are examined for formatio
OCF2-CFClH) and their dehydration under various conditions compared with that of the reference alcohol & with regard to the proportions of the natural z and retro product 8.
## Abstract The ^1^H and ^13^C NMR spectra of pyridoxine (vitamin B~6~) and its dibutylstannylene derivative were assigned from proton detected ^1^Hο£Ώ^13^C heteronuclear multiple bond correlation (^1^Hο£Ώ^13^C HMBC) spectra.