Convenient Route to Thiocarbonates from Alcohols, Thiols, and Triphosgene
作者:Barahman Movassagh、Mohammad Soleiman-Beigi
DOI:10.1080/00397910903457258
日期:2010.11.3
An efficient and simple one-pot, three-component procedure has been introduced for the preparation of various thiocarbonates from thiols, alcohols, and triphosgene in dichloromethane.
介绍了一种有效且简单的一锅三组分程序,用于在二氯甲烷中从硫醇、醇和三光气制备各种硫代碳酸酯。
A new method for synthesis of S-aryl-O-alkyl thiolcarbonates: selenium-catalyzed reaction of alcohols with carbon monoxide and diaryl disulfides
A unique catalytic ability of selenium has been developed. When alcohols were allowed to react with diaryl disulfides in the presence of a catalytic amount of selenium under a pressurized carbonmonoxide, S-aryl-O-alkyl thiolcarbonates were obtained in moderate to good yields.
The aminolysis of O-methyl S-aryl thiocarbonates with benzylamines are studied in acetonitrile at −45.0 C. The βX (βnuc) values are in the range 0.62-0.80 with a negative cross-interaction constant, ρXZ = −0.42, which are interpreted to indicate a concerted mechanism. The kinetic isotope effects involving deuterated benzylamine nucleophiles (XC6H4CH2ND2) are large, kH/kD = 1.29-1.75, suggesting that
Modular Synthesis of
<i>ortho</i>
‐Thiolated Aryl Esters Enabled with Thiocarbonate through Catellani Strategy
作者:Guopeng Du、Pingliang Zhu、Jing Wang、Xinjin Li、Dao‐Peng Zhang、Chuan‐Zeng Wang、Feng‐Gang Sun
DOI:10.1002/ejoc.202201382
日期:2023.2.6
Herein, we report a one-step strategy for the efficient syntheses of 2-arylthio arylesters by palladium/norbornene/copper cooperative catalysis using thiocarbonate as bifunctional reagents. It is worth mentioning that this strategy accommodates broad substrate scopes wtih excellent functional group tolerance and can be easily scale-up.