Journal
JOURNAL OF ORGANIC CHEMISTRY
Volume 82, Issue 18, Pages 9923-9929Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.7b01863
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Funding
- Center of Excellence for Innovation in Chemistry (PERCH-CIC), Office of the Higher Education Commission, Ministry of Education, Thailand
- Center of Excellence in Materials Science and Technology under the administration of Materials Science Research Center, Faculty of Science, Chiang Mai University
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5-Substituted-2-ethox-y-1,3,4-oxadiazoks were conveniently prepared through a one-pot sequential N-acylation/dehydrative cyclization between ethyl carbazate and N-acylbenzotriazoles in the presence of Ph3P-I-2 as a dehydrating agent. Subsequent treatment with a stoichiometric amount of alkyl halides (X = Cl, Br, I) enables a rapid access to a variety of 3,5-disubstituted 1,3,4-oxadiazol-2(3H)-ones in good to excellent yields.
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