Phosgene-free synthesis of N-methyl-N′,N′-diphenylurea

Akardite II (AK-II, N-methyl-N′,N′-diphenylurea) is a well-known stabilizer for nitrocellulose (NC) propellants as it scavenges NOx. Currently, AK-II is produced using phosgene, a highly toxic gas. An alternative, two-step synthesis route is presented here that does not rely on phosgene. First, symm...

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Bibliographic Details
Main Authors: E.P. van Geest, J.J.M.H. van den Elshout, J.F. Zevenbergen, A.E.D.M. van der Heijden
Format: Article
Language:English
Published: Elsevier 2022-01-01
Series:Current Research in Green and Sustainable Chemistry
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2666086522000789