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N-Methyl Pseudoephedrine Mediated Asymmetric Syntheses of Dihydroquinoxalinones for the Preparation of Flavane Analogues.

✍ Scribed by Yongtae Kim; Kyoung Hee Kang; Eui Ta Choi; Min Hee Lee; Yong Sun Park

Book ID
102009470
Publisher
John Wiley and Sons
Year
2007
Weight
30 KB
Volume
38
Category
Article
ISSN
0931-7597

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✍ Ralf Schirrmacher; Bernd Mathiasch; Esther Schirrmacher; Dragana Radnic; Frank R πŸ“‚ Article πŸ“… 2003 πŸ› John Wiley and Sons 🌐 French βš– 306 KB

## Abstract __N__‐([^18^F]fluoroalkyl)‐__N__‐nitroso‐4‐methyl‐benzensulfonamides [__n__‐alkyl = (βˆ’CH~2~)[^18,19^F]F, __n__=2–4)] were synthesized in radiochemical yields ranging from 75–90% to provide new secondary labelling precursors for the syntheses of ^18^F‐labelled compounds. Preliminary deco