✦ LIBER ✦

The preparation of C14-labeled tetramethylammonium bromide

✍ Scribed by A.F. Smetana; J. Haberman; T.C. Castorina

Publisher: Elsevier Science
Year: 1964
Weight: 424 KB
Volume: 15
Category: Article
ISSN: 0020-708X
DOI: 10.1016/0020-708x(64)90124-3

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

The preparation of 14C-labeled FK-506

✍ Stephen P. O'connor; Robert L. Ellsworth; Mary Nallin Omstead; Rosalind G. Jenki 📂 Article 📅 1992 🏛 John Wiley and Sons 🌐 French ⚖ 323 KB

## Abstract Utilizing sodium [1−^14^C]propionate as a precursor, [^14^C]FK‐506, labeled at carbon atoms 10, 16, 18, 21a, 24, and 26, was produced by fermentative biosynthesis. Extractive isolation followed by chromatographic purification provided material of purity suitable for metabolism studies.

Preparation of pyridostigmine bromide la

Preparation of pyridostigmine bromide labeled with carbon-14 and tritium1

✍ J. A. Kepler; C. E. Twine; R. D. Austin 📂 Article 📅 1992 🏛 John Wiley and Sons 🌐 French ⚖ 545 KB

## Abstract [2‐^14^C]Pyridostigmine bromide was prepared in 17.6% radiochemical yield with specific activity of 18 mCi/mmol. The reaction sequence involved preparation of 2‐furan[^14^C]carboxylic acid by carbonation of 2‐lithiofuran, followed by conversion to 2‐amino[^14^C]methyl furan by lithium a

Oral absorption of 14C-labeled mepenzola

Oral absorption of 14C-labeled mepenzolate bromide in humans

✍ Harris L. Friedman; Richard I. H. Wang 📂 Article 📅 1972 🏛 John Wiley and Sons 🌐 English ⚖ 349 KB

stretching band could not be located and was presumably submerged in the large C-H stretching band.) If the proposed structure for the complex is correct, it follows that methylation of either the -NH or -OH group (or both) of acetaminophen should prevent complexation with antipyrine. This was show

Preparation of 14C- labelled trazodone h

Preparation of 14C- labelled trazodone hydrochloride

✍ K. Sugiyama; S. Kono; C. Yamato; T. Fujita 📂 Article 📅 1973 🏛 John Wiley and Sons 🌐 French ⚖ 121 KB

PSEP4R1TITI 3F 14C-L4PELLEC TPAZODQNE HYDSOCHLO!lIX, R e c e i v e d on J u n e 6 , 1 9 7 3 Trazodone hydrochloride\*, 2-I3-[(4-m-chlorophenyl)-lpiperazinyll propyll s-triazolo-[4,3-a1 -pyridine-3 (2H) -one hydrochloride is a new psycotropic drug derived from triazolopyridine (') and has been extens

Preparation of carbon-14, tritium and de

Preparation of carbon-14, tritium and deuterium labelled terodiline, and carbon-14 and deuterium labelled emepronium bromide

✍ Tom F. Werner; Lars-Inge Olsson 📂 Article 📅 1987 🏛 John Wiley and Sons 🌐 French ⚖ 402 KB

Radiochemical synthesis part II The prep

Radiochemical synthesis part II The preparation of 14C-labeled juvenile hormone

✍ W. Hafferl; R. Zurflüh; L. Dunham 📂 Article 📅 1971 🏛 John Wiley and Sons 🌐 French ⚖ 423 KB 👁 1 views

dl-2-14C-Juvenile hormone was prepared from 2-1dC-trimethyl phosphonoacetate, sodium hydride and cis-9,iO-oxido-6-ethy~-iOmethy/dodec-5(t)-en-2-one in dry tetrahydrofuran and pur$ed by gas chromatography. The reaction conditions were established by synthesizing the trans-isomer of juvenile hormone.