An environmentally benign access to carbamates and ureas
Ureas were synthesized from methyl carbamates which were obtained by reaction of amines with dimethylcarbonate. Both reactions were catalyzed by γ-A12O3. (C) 2000 Elsevier Science Ltd.
N-alkylureido anion gemini surfactant and preparation method thereof
The invention discloses an N-alkylureido anion gemini surfactant, which is characterized by having the following structure general formula shown in the description. In the formula, M is metal sodium ions or potassium ions or lithium ions; n is 8, or 10, o
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Paragraph 0011
(2018/10/19)
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