## Abstract For Abstract see ChemInform Abstract in Full Text.
Dimethyldioxirane epoxidation of 3-aryl-1-(3-coumarinyl)propen-1-ones
✍ Scribed by Albert Lévai; JÓZsef Jekő; D. I. Brahmbhatt
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 2004
- Tongue
- English
- Weight
- 120 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0022-152X
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
Regioselective epoxidation of 3‐aryl‐1‐(3‐coumarinyl)propen‐1‐ones 1–10 by isolated dimethyldioxirane afforded the appropriate epoxides 11–20 in high (76–87%) yields.
📜 SIMILAR VOLUMES
## Dedicated to Professor Dr. Fritz Sauter on the occasion of his 75 th birthday 1-Acetyl-and 1-propionyl-2-pyrazolines 11-27 have been synthesized by the reaction of (3coumarinyl)chalcones 1-10 with hydrazine in hot acetic acid or propionic acid. While 5-aryl-3-(3coumarinyl)-1-phenyl-2-pyrazoline
## Abstract magnified image 3‐(2‐Aryl‐2,3‐dihydro‐benzo[__b__][1,4]thiazepin‐4‐yl)chromen‐2‐ones (**2a, e, f**) and (__Z__)‐3‐(2,3‐dihydro‐2‐arylbenzo[__b__][1,4]thiazepin‐4(5__H__)‐ylidene)chroman‐2‐ones (**3a‐f**) have been synthesized by the reaction of 3‐aryl‐1‐(3‐coumarinyl)propen‐1‐ones (**1
## Abstract Regioselective epoxidation of 3‐(3‐oxo‐3‐arylpropenyl)chromen‐4‐ones **1a‐h** by isolated dimethyldioxirane provided epoxides **2a‐h** as sole detectable and isolable products in good (75–86%) yields.