𝔖 Bobbio Scriptorium
✦   LIBER   ✦

A facile microsynthesis of 14C-labelled picene

✍ Scribed by Dieter Beermann; Peter Petrovic; Albrecht Seidel; Franz Oesch


Publisher
John Wiley and Sons
Year
1984
Tongue
French
Weight
270 KB
Volume
21
Category
Article
ISSN
0022-2135

No coin nor oath required. For personal study only.

✦ Synopsis


Abstract

Microscale Wittig olefination of commercially available [7‐^14^C]‐benzal dehyde of high specific radioactivity with aryl bromomethyl phosphonium salt and subsequent oxidative photocyclisation affords pure ^14^C‐labelled picene in efficient yield.


📜 SIMILAR VOLUMES


A facile and efficient synthesis of 14C-
✍ Christopher A. D'Souza; Shantu Amin; Dhimant Desai 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 French ⚖ 118 KB

## Abstract Isothiocyanates have gained considerable attention for their role as potent chemopreventive agents. Sulforaphane, **1a** (SFN), a naturally occurring isothiocyanate, was isotopically labelled in five steps starting from 3‐(methylthio)‐1‐propanol (**2**)**.** Reacting **2** with tosyl ch

Facile and economical preparation of [14
✍ Annette Krüper; Peter Gehrke; Nikolaus Amrhein 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 French ⚖ 224 KB 👁 1 views

## Abstract A convenient and inexpensive method for the preparation of [^14^C]‐labelled shikimic acid based on the photoassimilation of ^14^CO~2~ by henbane (__Hyoscyamus niger L.__) leaves in the presence of the herbicide glyphosate is described. Methanolic extracts were purified by successive an

Synthesis of 14C-labelled antitumor agen
✍ Ying-Tsung Lin; Robert J. Dummel; Morris A. Leaffer; Masato Tanabe 📂 Article 📅 1976 🏛 John Wiley and Sons 🌐 French ⚖ 156 KB 👁 1 views

## Abstract p‐Toluic acid‐ring‐^14^C was synthesized by the Friedel‐Crafts p‐carbamylation of toluene‐ring‐^14^C with N,N‐disubstituted carbamyl chloride and subsequent hydrolysis. The radiochemical yield was 61%. An attempt was made to apply this method for the synthesis of benzoic acid‐ring‐^14^C

Syntheses of 14C-mustard-labelled and 14
✍ D. Farquhar; K. Lu; T. L. Loo 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 French ⚖ 429 KB

## Abstract The synthesis of Asaley labelled with ^14^C in the mustard (Asaley‐must‐^14^C) or the leucine (Asaley‐leu‐^14^C) moiety is described. In the former, ethyl pamino‐N^α^‐acetyl‐DL‐phenylalanyl‐L‐leucinate was reacted with ethylene oxide(U)‐^14^C to give the bis(hydroxyethyl)amino analogue,

A convenient synthesis of 14C-labelled r
✍ Dongli Zeng; Qixi Mi; Hongfang Sun; Haifang Wang 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 French ⚖ 105 KB

## Abstract Resveratrol (__trans__‐3,4′,5‐trihydroxystilbene) is a naturally occurring phytoalexin and polyphenol existing in grapes and various plants. It shows remarkable beneficial bioactivities in the prevention of cancer, inflammation and platelet aggregation, etc. This paper reports the synth

Synthesis of 14C-labelled satigrel
✍ Shigeru Tanaka; Youji Yamagishi; Kazutomi Kusano; Tsutomu Yoshimura 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 French ⚖ 222 KB 👁 1 views

14C-Labelled satigrel, or 4-cyano-5-(4'-methoxy tring-U-14CI phenyl)-5-(4"methoxyphenyl)-4-pentenoic acid was synthesized for drug metabolism and pharmacokinetic studies using 4,4'-diniethoxy [ring-U-W ] benzophenone as the starting material. The radiochemical yield was 10.0%. The specific radioacti