bis(3,5-dimethoxyphenyl)carbonate | 211807-72-6

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: bis(3,5-dimethoxyphenyl)carbonate
• 英文别名: Bis(3,5-dimethoxyphenyl) carbonate
• CAS: 211807-72-6
• 化学式: C₁₇H₁₈O₇
• 分子量: 334.326
• InChiKey: YNDVOGQDZBSWBK-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.5
• 重原子数：
  24
• 可旋转键数：
  8
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.24
• 拓扑面积：
  72.4
• 氢给体数：
  0
• 氢受体数：
  7

文献信息

• PROCESSES FOR PRODUCING ARYL CARBAMATES, ISOCYNATES AND POLYUREAS USING DIARYL CARBONATE
  申请人：Dai Shenghong A.

  公开号：US20130079542A1

  公开（公告）日：2013-03-28

  A preparation of aryl carbamates can be achieved readily by carbonylation of an aromatic polyamine compound with diphenyl carbonate (DPC) using a combination of an organic acid and a tertiary amine as a catalyst. Aryl carbamate can be converted into 4,4′-diphenylmethane diisocyanate (MDI) by heating it at about 200 to about 230° C. in a non-polar solvent containing inhibitor such as benzoyl chloride. In another application, trans-ureation of biscarbamates with an amine or mixed amines is found to be extremely facile in a polar solvent such as dimethyl sulfoxide (DMSO) and tetramethylene sulfone (TMS) in absence of any catalyst to make polyurea polymers of high molecular weights. Thus, efficient green-chemistry processes based on biscarbamates in making isocyanate products as well as urea prepolymers, urea elastomers and urea plastics have been developed in all in excellent yields without using reactive phosgene or 4,4′-diphenylmethane diisocyanate separately in the trans-ureation polymerizations.

  芳基氨基甲酸酯的制备可通过芳香族多胺化合物与二苯基碳酸酯（DPC）在有机酸和三级胺的催化剂作用下进行羰基化而轻松实现。将芳基氨基甲酸酯加热至约200至230°C，在含有苯甲酰氯等抑制剂的非极性溶剂中，可将其转化为4,4′-二苯甲烷二异氰酸酯（MDI）。在另一个应用中，使用极性溶剂如二甲基亚砜（DMSO）和四甲基砜（TMS）中，通过与胺或混合胺进行双氨基甲酸酯的转尿素化，在无催化剂的情况下制备高分子量的聚脲聚合物是非常容易的。因此，基于双氨基甲酸酯的高效绿色化学过程已经开发出以优异产率制备异氰酸酯产品、尿素预聚合物、尿素弹性体和尿素塑料的方法，而无需在转尿素聚合过程中单独使用反应性的光气或4,4′-二苯甲烷二异氰酸酯。
• TWO-STEP AND ONE-POT PROCESSES FOR PREPARATION OF ALIPHATIC DIISOCYANATES
  申请人：Great Eastern Resins Industrial Co., Ltd.

  公开号：US20170015621A1

  公开（公告）日：2017-01-19

  The present invention relates to using a two-step (thermolysis) or one-pot process to prepare aliphatic diisocyanates from aliphatic diamines and diaryl carbonates. Polyisocyanates can also be prepared from polyamines and diaryl carbonates. The present synthetic processes do not apply phosgene or highly toxic reagents and chloro-solvents during the entire procedure.

  本发明涉及使用两步（热解）或一锅法过程从脂肪族二胺和二苯基碳酸酯制备脂肪族二异氰酸酯。也可以从多胺和二苯基碳酸酯制备多异氰酸酯。本合成过程在整个过程中不使用光气或高毒性试剂和氯溶剂。
• PROCESS FOR PRODUCING ARYL CARBAMATES
  申请人：UBE INDUSTRIES LIMITED

  公开号：EP0902014A1

  公开（公告）日：1999-03-17

  A process for producing an aryl carbamate of a high purity at a high yield by reacting a diaryl carbonate with an amine compound having one or more hydrogen atoms bonded to the N position in the presence of carboxylic acid(s) of the following general formulae (I): R1-COOH and/or (II): R2-COOH (wherein R1 represents an alkyl or cycloalkyl group having a carbon atom at the α-position, which is bonded to only one hydrogen atom, and R2 represents an alkyl group having a carbon atom at the α-position, which is not bonded to a hydrogen atom).

  一种高纯度、高收率的氨基甲酸芳基酯的生产工艺，该工艺是在下列通式(I)的羧酸存在下，使碳酸二芳基酯与一个或多个氢原子键合在 N 位上的胺化合物反应：R1-COOH 和/或 (II)：R2-COOH（其中 R1 代表烷基或环烷基，在 α 位有一个碳原子，只与一个氢原子键合；R2 代表烷基，在 α 位有一个碳原子，不与氢原子键合）。
• US6143917A
  申请人：——

  公开号：US6143917A

  公开（公告）日：2000-11-07
• US9012676B2
  申请人：——

  公开号：US9012676B2

  公开（公告）日：2015-04-21