## Abstract The syntheses of disodium 6‐(2‐phenyl‐2‐sulfoacetamido‐1‐^14^C) peniaillanate (IV) and 6‐(2‐isobutyl‐β,γ‐ ^3^H~2~‐sulfo‐2‐phenyl‐acetamido‐1‐^14^C) penicillanic acid (XII) are described. The optically active D(‐)‐IV was obtained by the fractional crystallization of diastereoisomeric mix
Enzymatic synthesis of β-[U-14C]alanine and d-[1,2,3-14C]pantothenate of high specific radioactivity
✍ Scribed by John E. Cronan Jr.
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 661 KB
- Volume
- 103
- Category
- Article
- ISSN
- 0003-2697
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📜 SIMILAR VOLUMES
Simple procedures for the preparation of UDP-D-[U-'\*C]galBCtUrOniC acid and UDP-D-[6+i]gatactose with high specific activities are described. The conversion involves the enzymatic oxidation of the appropriate UDP-o-galactose derivative to UDP-o-galactose-6aldehyde followed by either further oxidat
## Abstract N,N‐[Methyl‐^14^C]‐Dimethylhydrazine hydrochloride () having a specific activity of 115 mCi/mmol, was synthesized in two steps. Dimethylation of acetophenone hydrazone with ^14^C‐methyl iodide (specific activity = 58 mCi/mmol) in the presence of potassium in liquid ammonia followed by a