A new and efficient synthesis of 1,3,4-oxadiazole derivatives using TBTU
An efficient method for the synthesis of 2,5-disubstituted 1,3,4-oxadiazoles from isothiocyanates and hydrazides through cyclodesulfurization in the presence of (O-(benzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium tetrafluoroborate) TBTU as an uronium coupling reagent has been developed. The present...
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| Main Authors: | , , , , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
2013
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| In: |
Tetrahedron
Year: 2012, Volume: 69, Issue: 8, Pages: 2075-2080 |
| ISSN: | 1464-5416 |
| DOI: | 10.1016/j.tet.2012.11.071 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.tet.2012.11.071 Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S0040402012017899 
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| Author Notes: | Shokoofeh Maghari, Sorour Ramezanpour, Fatemeh Darvish, Saeed Balalaie, Frank Rominger, Hamid Reza Bijanzadeh |
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| 520 | |a An efficient method for the synthesis of 2,5-disubstituted 1,3,4-oxadiazoles from isothiocyanates and hydrazides through cyclodesulfurization in the presence of (O-(benzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium tetrafluoroborate) TBTU as an uronium coupling reagent has been developed. The present methodology offers several advantages, such as simple and easy work-up procedures, mild reaction conditions and it is environmentally benign. | ||
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