A convenient and efficient synthesis of 2-thio-5-hydroxy-5H-[1]benzopyrano[4,3-d] pyrimidines via ultrasonic irradiation compared with conventional method

A convenient and efficient synthesis of 2-thio-5-hydroxy-5H-[1]benzopyrano[4,3-d] pyrimidines via ultrasonic irradiation compared with conventional method

We report an easy and powerful approach to the synthesis of 2-thio-5-hydroxy-5H-[1]benzopyrano[4,3-d] pyrimidines derivatives by condensation of 3-Formylchromone and thiourea under conventional heating and ultrasonic irradiation. The ultrasonic irradiation is convenient and efficient method as compa...

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Bibliographic Details
Main Authors:	Namdeo T. Dhokale, Satish B. Kale, Sadashiv S. Nagre, Shankaraiah G. Konda, Navanath R. Dalvi
Format:	Article
Language:	English
Published:	Elsevier 2022-01-01
Series:	Current Research in Green and Sustainable Chemistry
Subjects:	Synthesis Efficient Ultrasonic irradiation 3-Formylchromone Conventional heating
Online Access:	http://www.sciencedirect.com/science/article/pii/S2666086522000248

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