![Sample our Physical Sciences journals, sign in here to start your FREE access for 14 days]({"type":"image" , "src" : "/sda/110819/TOC-Subject-Sample-2021-Physical-Sciences.jpg"})
Optimized conditions for the preparation of 4-ethoxyalkyliden-5(4H)-oxazolones were developed. A considerable steric hindrance was observed on the nucleophilic substitution of the ethoxy group by amines.
This work was supported by the Fundação para a Ciência e Tecnologia (FCT, project PRAXIS XXI PCEX/C/QUI/53/96).
Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?
To request a reprint or corporate permissions for this article, please click on the relevant link below:
Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?
Obtain permissions instantly via Rightslink by clicking on the button below:
If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.
