Electrogenerated Base-Promoted Synthesis of Dithiocarbamate Acid Esters and 3-(<i>N</i>-Substituted-amino)-2-cyanodithiocrotonates from Primary or Secondary Amines and Carbon Disulfide
Electrogenerated cyanomethyl anion promotes the reaction between primary or secondary amines, carbon disulfide, and alkyl or benzyl halide. Secondary amines are converted to alkyl or benzyl dithiocarbamates, whereas primary amines give N-substituted alkyl or benzyl 3-amino-2-cyanodithiocrotonates. The mechanisms are discussed.
Thiocarbonylthio Compounds (SC(Z)S−R) in Free Radical Polymerization with Reversible Addition-Fragmentation Chain Transfer (RAFT Polymerization). Effect of the Activating Group Z
作者:John Chiefari、Roshan T. A. Mayadunne、Catherine L. Moad、Graeme Moad、Ezio Rizzardo、Almar Postma、Melissa A. Skidmore, and、San H. Thang
DOI:10.1021/ma020883+
日期:2003.4.1
Free-radical polymerization in the presence of suitable addition−fragmentation chain transfer agents [SC(Z)S−R] (RAFT agents) possess the characteristics of a living polymerization (i.e., polymer products can be reactivated for chain extension and/or block synthesis, molecular weights are predetermined by RAFT agent concentration and conversion, narrow polydispersities are possible). Styrene polymerizations
An Efficient Synthesis of Benzyl Dithiocarbamates by Base-Promoted Cross-Coupling Reactions of Benzyl Chlorides with Tetraalkylthiuram Disulfides at Room Temperature
A mild and efficient synthesis of benzyl dithiocarbamates through transition metal free cross‐coupling reactions was developed. This attractive methodology for the synthesis of benzyl dithiocarbamate derivatives is of great significance due to the potential utilization of the product in pharmaceutical industry.
Transition-Metal-Free C(sp<sup>3</sup>
)-S Coupling in Water: Synthesis of Benzyl Dithiocarbamates Using Thiuram Disulfides as an Organosulfur Source
作者:Han-Ying Peng、Zhi-Bing Dong
DOI:10.1002/ejoc.201801520
日期:2019.2.7
TBTD), the desired C(sp3)‐S coupling products (benzyl dithiocarbamates) could be obtained in good to excellent yields. The protocol features advantages of experimental simplicity, water as solvent, metal‐free, good functional compatibility, good to excellent yields, illustrating its potential synthetic value in the convenient preparation of some potentially biologically active compounds.
economic, and green method for the synthesis of dithiocarbamate derivatives in water. The one-pot, three-component condensation of primary and secondary amines with carbon disulfide and unsaturated carbonyl compounds or alkyl halides under ultrasonic irradiation was developed as a green and fast protocol for the rapid high-yielding preparation of dithiocarbamates in water. Graphical abstract