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ChemicalBook CAS DataBase List TOLBUTAMIDE
64-77-7

TOLBUTAMIDE synthesis

10synthesis methods
Tolbutamide, 1-butyl-3-p-toluenesulfonylurea (26.2.2), is made in a single step reaction by interaction of p-toluenesulfonylamide (in the form of sodium salt) with butylisocyanate.

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Yield:-

Steps:

Multi-step reaction with 2 steps
1: sodium azide / water; acetonitrile / 0.33 h / 20 °C / Schlenk technique
2: palladium diacetate / acetonitrile / 20 °C / 15 Torr / Schlenk technique; Sealed tube

References:

Zhao, Jin;Li, Zongyang;Song, Shaole;Wang, Ming-An;Fu, Bin;Zhang, Zhenhua [Angewandte Chemie - International Edition,2016,vol. 55,# 18,p. 5545 - 5549][Angew. Chem.,2016,vol. 128,# 18,p. 5635 - 5639,5]

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