发明授权
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
- 专利标题: Preparation of carbamates from aromatic amines and organic carbonates
- 专利标题(中): 从芳香胺和有机碳酸酯制备氨基甲酸酯
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申请号: US123137申请日: 1980-02-21
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公开(公告)号: US4268683A公开(公告)日: 1981-05-19
- 发明人: Arthur E. Gurgiolo
- 申请人: Arthur E. Gurgiolo
- 申请人地址: MI Midland
- 专利权人: The Dow Chemical Company
- 当前专利权人: The Dow Chemical Company
- 当前专利权人地址: MI Midland
- 主分类号: C07C271/06
- IPC分类号: C07C271/06 ; C07C125/065 ; C07C125/067 ; C07C125/073 ; C07C125/075
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.
公开/授权文献
- US4810824A Hydrolysis of activated olefinic ketones and aldehydes 公开/授权日:1989-03-07
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