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US4268683A Preparation of carbamates from aromatic amines and organic carbonates 失效
从芳香胺和有机碳酸酯制备氨基甲酸酯

Preparation of carbamates from aromatic amines and organic carbonates
摘要:
Carbamates are prepared from organic cabonates and aromatic amines in the presence of zinc or tin salts of monovalent organic compounds having a pKa value of at least 2.8 such as zinc naphthenate and which are soluble at the reaction conditions.
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