S p e c i f i c a l l y l a b e l e d , o p t i c a l isomers of a l a n i n e were synthesized from acetic-13C2 a c i d by a six-tjtep procedure with y i e l d s of 37-38% of t h e o p t i c a l l y a c t i v e m a t e r i a l .
Microbiological preparation of D-[3,4-13C2]glucose
β Scribed by Robert L. Baxter; Helen C. Baxter; Christopher J. McGregor
- Publisher
- John Wiley and Sons
- Year
- 1992
- Tongue
- French
- Weight
- 246 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0022-2135
No coin nor oath required. For personal study only.
β¦ Synopsis
Abstract
A simple and effective synthesis of Dβ[3,4β^13^C~2~]Glucose (60 atom % ^13^C~2~) via ^13^C enriched Ξ±,Ξ±' trehalose (1) produced from sodium [1β^13^C]acetate by sporulating yeast is described.
π SIMILAR VOLUMES
Three isotopically enriched samples of cyclobutene have been prepared, namely, a mixture containing 20 % [1-13C]cyclobutene, 20 [3J3C]cyc1obutene and 60 % parent molecule; a second mixture of 75 [I-Dlcyclobutene and 25 % parent rnolecufe; and a third mixture of 50 % [3-D]cyclobutene and 50 % parent
## Abstract (__n__βButoxyβ2β²,2β²,3β²,3β²,4β²,4β²,4β²β__d__~7~)acetic acid (1) and 2β(__n__βbutoxyβ2β²,2β²,3β²,3β²,4β²,4β²,4β²β__d__~7~)ethanol (2) have been prepared in high yield from __n__βbutanolβ2,2,3,3,4,4,4β__d__~7~. __n__β Butoxy(^13^C~2~βacetic) acid (3) and 1β__n__βbutoxyβ2βhydroxy(^13^C~2~βethane) (4)