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Self-Sensitized Photo-Oxygenation of 1-Benzyl-3, 4-dihydroisoquinolines

✍ Scribed by Ned H. Martin; Charles W. Jefford

Publisher
John Wiley and Sons
Year
1981
Tongue
German
Weight
181 KB
Volume
64
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

The air oxidation of 1‐benzyl‐3, 4‐dihydroisoquinolines is shown to be a self‐sensitized photo‐oxidation proceeding via singlet oxygen.

📜 SIMILAR VOLUMES

Synthesis and Photo-oxygenation of Some
Synthesis and Photo-oxygenation of Some Substituted 1-Benzyl-3,4-dihydroisoquinolines. Mechanism of Enamine Photo-oxygenation
✍ Ned H. Martin; Charles W. Jefford 📂 Article 📅 1982 🏛 John Wiley and Sons 🌐 German ⚖ 664 KB

## Abstract The synthesis of a series of substituted 1‐benzyl‐3,4‐dihydroisoquinolines by __Bischler‐Napieralski__ cyclization is described. Competitive methylene blue sensitized photo‐oxygenation experiments allowed the determination of relative rates of photo‐oxygenation of 1‐benzyl‐3,4‐dihydrois

Differentiation of isomeric 1,2-dihydroi
Differentiation of isomeric 1,2-dihydroisoquinolin-4(3H)-ones by proton magnetic resonance of their 4-benzyl derivatives
✍ Roger D. Waigh 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 English ⚖ 137 KB

## Abstract Reaction of a 3,3‐dimethyl‐1,2‐dihydroisoquinolin‐4(3__H__)‐one with a benzyl Grignard reagent gives a 4‐benzyltetrahydroisoquinoline in which the signal of a 6‐methoxy group suffers a large upfield shift in the ^1^H NMR spectrum, whereas a 7‐methoxy group is relatively unaffected. This