Definition of Xanthates. Meaning of Xanthates. Synonyms of Xanthates

Here you will find one or more explanations in English for the word Xanthates. Also in the bottom left of the page several parts of wikipedia pages related to the word Xanthates and, of course, Xanthates synonyms and on the right images related to the word Xanthates.

Definition of Xanthates

Xanthate
Xanthate Xan"thate, n. [See Xanthic.] (Chem.) A salt of xanthic; a xanthogenate.

Meaning of Xanthates from wikipedia

- ROC(S)S2C(S)OR + 2 NaI Acylation of xanthates gives alkyl xanthogen esters (ROC(S)SC(O)R') and related anhydrides. Xanthates bind to transition metal cations...
- elimination reactions such as the Cope elimination and ester pyrolysis. Xanthates typically undergo elimination from 120 to 200 °C, while esters typically...
- of ores. It is a pot****ium salt of ethyl xanthic acid. Many xanthates are known. Xanthate salts are prepared by the action of alkoxides on carbon disulfide...
- obtained as the anhydrous salt. Akin to the preparation of most xanthates, sodium ethyl xanthate can be prepared by treating sodium ethoxide with carbon disulfide:...
- separation of ores using the flotation process. As typical for xanthates, pot****ium amyl xanthate is prepared by reacting n-amyl alcohol with carbon disulfide...
- certain dithioesters, trithiocarbonates, xanthates (dithiocarbonates), and dithiocarbamates. Note 2: RAFT with xanthates is also known as MADIX (macromolecular...
- efficient separation. With increasing length of the hydrocarbon chain in xanthates, the efficiency of the hydrophobic action increases, but the selectivity...
- organyl group). Esters with the formula R−O−C(=S)−S−R are also called xanthates, while esters with the formula R−S−C(=S)−S−R are also called thioxanthates...
- example, amines afford dithiocarbamates: 2 R2NH + CS2 → [R2NH2+][R2NCS2−] Xanthates form similarly from alkoxides: RONa + CS2 → [Na+][ROCS2−] This reaction...
- treatment of that solution with carbon disulfide to give a xanthate derivative. The xanthate is then converted back to a cellulose fiber in a subsequent...