Product Details of 3326-71-4. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 2-Furoic hydrazide, is researched, Molecular C5H6N2O2, CAS is 3326-71-4, about Microwave-Assisted TBHP-Mediated Synthesis of 2-Amino-1,3,4-oxadiazoles in Water. Author is Kumar Sigalapalli, Dilep; Kadagathur, Manasa; Sujat Shaikh, Arbaz; Jadhav, Govinda S.; Bakchi, Bulti; Nagendra Babu, Bathini; Tangellamudi, Neelima D..
A one-pot synthesis of 2-amino-1,3,4-oxadiazoles I [R1 = Ph, 4-FC6H4, 3-furylmethyl, etc.; R2 = Ph, 3-HOC6H4, 3-BrC6H4, etc.] was achieved from the corresponding isothiocyanates and hydrazides in the presence of tert-Bu hydroperoxide (TBHP) and water under microwave irradiation The thiosemicarbazides intermediate could be derived in situ which underwent an intramol. cyclodesulfurization under microwave irradiation Apart from being simpler and green, this method offered significant advantages, such as short reaction times, economy and no requirement for a catalyst, with easy workup procedures to afford a variety of 2-amino-1,3,4-oxadiazoles I in significantly high yields (85-98%). Spectroscopic techniques were employed to elucidate the chem. structures of the final compounds and ESI-MS technique was employed to establish the formation of thiosemicarbazide intermediate and requirement of oxygen source for the completion of reaction and the most plausible reaction mechanism.
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Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics