Combinatorial liquid-phase synthesis of [1,4]oxazepine-7-ones via the Baylis-Hillman reaction

Raecker, Reinhard and Doering, Klaus and Reiser, Oliver (2000) Combinatorial liquid-phase synthesis of [1,4]oxazepine-7-ones via the Baylis-Hillman reaction. JOURNAL OF ORGANIC CHEMISTRY, 65 (21). pp. 6932-6939. ISSN 0022-3263

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Abstract

A new method for the synthesis of [1,4]oxazepin-7-ones from readily available aldehydes and a-amino alcohols was developed using the Baylis-Hillman reaction as the key step. To determine the scope and limitations of the method, a mixture library was synthesized from six aldehydes and six cl-amino alcohols on the soluble polymer support poly(ethylene glycol) 5000-monomethyl ether (MeOPEG) via split synthesis and analyzed by GC-EIMS. Those oxazepines that were formed predominantly were resynthesized in a parallel synthesis and fully characterized. Thus, we have shown that split synthesis on MeOPEG can be an efficient method to rapidly screen the substrate spectrum of a newly developed reaction sequence.

Item Type: Article
Uncontrolled Keywords: FRIEDEL-CRAFTS REACTION; BOND-FORMING REACTION; STEREOSELECTIVE SYNTHESIS; ORGANIC-SYNTHESIS; ALPHA,BETA-UNSATURATED CARBONYL; ALLYLIC ALCOHOLS; ADDUCTS; LIBRARIES; ALDEHYDES; ACETATES;
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Organische Chemie > Lehrstuhl Prof. Dr. Oliver Reiser
Depositing User: Dr. Gernot Deinzer
Date Deposited: 21 Mar 2022 09:23
Last Modified: 21 Mar 2022 09:23
URI: https://pred.uni-regensburg.de/id/eprint/42138

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