𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Preparation of carbon-14 labelled guazatine

✍ Scribed by Harry R. Hudson; Fatima Ismail; Lubomira Powroznyk

Publisher
John Wiley and Sons
Year
2001
Tongue
French
Weight
92 KB
Volume
44
Category
Article
ISSN
0022-2135

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

A method is described for small‐scale laboratory simulation of the industrial process for the manufacture of guazatine, an agrochemical fungicide comprising a mixture of guanidated di‐, tri‐, and poly‐amines derived from octamethylenediamine. The product has been prepared with carbon‐14 labelling of the terminal positions of the octamethylene chains. Copyright © 2001 John Wiley & Sons, Ltd.

📜 SIMILAR VOLUMES

Preparation of carbon-14 labelled guazat
Preparation of carbon-14 labelled guazatine (1,17-BIS- [14C]-guanidino-9-azaheptadecane triacetate)
✍ H. R. Hudson; M. Pianka; Mrs. L. Powroznik; V. P. Lynch 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 French ⚖ 160 KB 👁 1 views

## Abstract 1,17‐Bisguanidino‐9‐azaheptadecane triacetate(Guazatine)has been prepared with carbon‐14 labelling of the guanidine carbon atoms, by interaction of 1,17‐diamino‐9‐azaheptadecane with S‐methyl‐ ^14^C ‐isothiouronium sulphate. The initial product was purified by precipitation as the carbo

Preparation of carbon-14 labeled hair dy
Preparation of carbon-14 labeled hair dyes: Nitrophenylenediamine
✍ Louise Fudala; Anita H. Lewin 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 French ⚖ 263 KB 👁 1 views

Nitration of N-ethoxy~arbonyl-[U-~~C]aniline with two equivalents of nitric acid in sulfuric acid afforded N-ethoxycarbonyl-2,4-dinitro-[U-l4C]aniline which was deprotected quantitatively to P,Cdinitro-[U-l4C]aniline. Selective hydrogenation provided 99.5% radiochemically pure [U-I 4C]nitrophenylene

The preparation of ormetoprim labeled wi
The preparation of ormetoprim labeled with carbon-14
✍ Arnold A. Liebman; Gerhard J. Bader; Heinz H. Kaegi; Clark W. Perry 📂 Article 📅 1986 🏛 John Wiley and Sons 🌐 French ⚖ 202 KB

The sulfonamide potentiator ormetoprim (6) has been prepared with a carbon-14 label for use in biolo ical studies. The key intermediate, 2-methylveratraldehyde (4, was prepared by 14CO2 carbonation of the Grignard reagent from 2-bromo-4,5dimethoxytaluene (1) followed by esterification, reduction an