## Abstract Sodium 3‐ethyl‐7‐isopropylazulene‐1‐sulfonate 1, which has been found to be a potent and chemically stable agent having anti‐inflammatory and anti‐ulcerous activity, was synthesized in ^14^C‐labelled form by using potassium [^14^C]‐cyanide. ^14^C‐Labelled 1 with a specific activity of 9
Synthesis of sodium 6-isopropyl-3-[4-(P-chlorobenzenesulfonylamino)-butyl]-[2-14C]azulene-1-sulfonate
✍ Scribed by Takashi Yanagisawa; Masayuki Yokota; Tsuyoshi Tomiyama; Shiro Ikegami
- Publisher
- John Wiley and Sons
- Year
- 1994
- Tongue
- French
- Weight
- 330 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0022-2135
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
Sodium 6‐isopropyl‐3‐[4‐(p‐chlorobenzenesulfonylamino)‐butyl]azulene‐l‐sulfonate (KT2‐962) 1, which has been found to be a potent and selective thromboxaneA~2~ receptor antagonist, was synthesized in ^14^C‐labelled form by using potassium [^14^C]‐cyanide.
^14^C‐labelled 1 with a specific activity of 2.36 GBq/mmol was prepared with no‐carrier‐added and in nine steps in 64% overall radiochemical yield.
📜 SIMILAR VOLUMES
## Abstract Modification of the traditional. Gomberg reaction conditions provides a simple, economical. route to 2‐chlorobiphenyl‐1′,2′,3′,4′,5′,6′‐^14^__C__~6~ __(I). The reaction of benzene‐U‐__^14^__C__~6~ __with an excess of the diasonium salt from__ 2__‐chloroaniline produces__ ^14^__C‐labelle
## Abstract The condensation of 1 or 3 [^14^C] n‐butylmalonate diethyl ester (III) with hydrazobenzene (IV) yields up to 90 per cent of 3 or 5 [^14^C] 4‐butyl‐1, 2‐diphenyl‐3, 5‐pyrazolidinedione, if n‐butyl alcohol is used as a solvent and the corresponding sodium alcoholate as a condensing agent
## Abstract Sodium [1‐^14^C] isobutyrate: 1 was obtained by carbonation of isopropyl magnesium bromide with ^14^CO~2~. From: 1 [1‐^14^C] isobutyryl chloride: 3 was prepared, which through the successive actions of diazomethane and hydrogen bromide gave rise to 1‐bromo 3 methyl [2‐^14^C] 2‐butanone:
## Abstract [^14^C]SR 33557 was synthesized in six steps and in an overall yield of 3.8% from sodium [^14^C]cyanide.