Organic and biomolecular chemistry p. 2678 - 2684 (2020)
Update date:2022-09-26
Topics:
Chaithra, Nagaraju
Gurukiran, Mahesha
Lokanath, N. K.
Mamatha, Mahesha
Mantelingu, Kempegowda
Rangappa, Kanchugarakoppal S.
Shamanth, Sadashivamurthy
The present work describes an unexpected and unique protocol for the iodine catalysed synthesis of o-ureidobenzonitriles using o-aminobenzamides and isothiocyanates via intramolecular rearrangement. The metal-free route achieved here is insensitive to moisture and applicable to the synthesis of a wide variety of o-ureidobenzonitriles with excellent yields even in a scalable fashion.
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