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2000 urea derivatives urea derivatives (benzene compounds) Q 0640 11 - 084 Substitution Reaction of N,N’-Diphenylurea by Amines to Unsym- metric Phenylureas. Primary as well as secondary amines (II) react very well with diphenylurea (I) in a sealed autoclave without any catalyst to give unsymmetric phenylureas (III) (15 examples) in good yields. — (YANG, YING; LU, SHIWEI; Org. Prep. Proced. Int. 31 (1999) 5, 559-561; Dalian Inst. Chem. Phys., Chin. Acad. Sci., Dalian 116023, Peop. Rep. China; EN) 1

ChemInform Abstract: Substitution Reaction of N,N′-Diphenylurea by Amines to Unsymmetric Phenylureas

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2000 urea derivatives

urea derivatives (benzene compounds)Q 0640

11 - 084Substitution Reaction of N,N’-Diphenylurea by Amines to Unsym-metric Phenylureas. — Primary as well as secondary amines (II) reactvery well with diphenylurea (I) in a sealed autoclave without any catalyst togive unsymmetric phenylureas (III) (15 examples) in good yields. — (YANG,YING; LU, SHIWEI; Org. Prep. Proced. Int. 31 (1999) 5, 559-561; DalianInst. Chem. Phys., Chin. Acad. Sci., Dalian 116023, Peop. Rep. China; EN)

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