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Synthesis of dl-erythro and threo-sphingosine-4,5-3H

✍ Scribed by Andrew E. Gal


Publisher
John Wiley and Sons
Year
1967
Tongue
French
Weight
420 KB
Volume
3
Category
Article
ISSN
0022-2135

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✦ Synopsis


DL-erythro-sphingosine and DL-threo-sphingosine specifically labelled with 3H in positions 4 and 5 were prepared. The synthesis of these compounds was based on a modification of a procedure published by Grob and Gadient. Quantitative separation of the sphingosines from acetylenic impurities was accomplished, and the physical constants of pure DL-erythro and threo sphingosines were determined. D-erythro sphingosine was prepared by resolving the DL racemate and it was found identical to the naturally occurring product.


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Synthesis of D-erythro-sphingosine and D
✍ Robert V. Hoffman; Junhua Tao πŸ“‚ Article πŸ“… 1998 πŸ› Elsevier Science 🌐 French βš– 212 KB

D-erythro-sphingosine and D-esythro-sphinganine can be produced in protected form from serine by a synthetic approach in which the normal biological intermediate 3-ketosphinganine in protectyed form, is a key synthetic intermediate. The sequence is short and convergent, proceeds in good overall yiel