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At room temperature, thiophene is a colorless liquid with a mildly pleasant odor reminiscent of benzene, [citation needed] with which thiophene shares some similarities. The high reactivity of thiophene toward sulfonation is the basis for the separation of thiophene from benzene, which are difficult to separate by distillation due to their ...
Thieno[3,2-b]thiophene. In organic chemistry, thienothiophene is any of several compounds consisting of two fused thiophene rings. They have the molecular formula C 6 H 4 S 2. Three constitutional isomers have been synthesized: thieno[3,2-b]thiophene, thieno[2,3-b]thiophene, and thieno[3,4-b]thiophene. The other isomer features S(IV) and is ...
Thiofentanyl is an opioid analgesic that is an analogue of fentanyl.. Thiofentanyl was sold briefly on the black market in the early 1980s, before the introduction of the Federal Analog Act which for the first time attempted to control entire families of drugs based on their structural similarity rather than scheduling each drug individually as they appeared. [1]
3,4-Ethylenedioxythiophene (EDOT) is an organosulfur compound with the formula C 2 H 4 O 2 C 4 H 2 S. The molecule consists of thiophene, substituted at the 3 and 4 positions with an ethylene glycolyl unit.
Thiophene-2-carboxylic acid is an organic compound with the formula SC 4 H 3 CO 2 H. It is one of two mono carboxylic acids of thiophene , the other being thiophene-3-carboxylic acid. [ 1 ] Copper(I) thiophene-2-carboxylate is a catalyst for Ullmann coupling reactions .
It is a colorless, flammable liquid. It can be produced by Wolff-Kishner reduction of thiophene-2-carboxaldehyde. [1] Its commercial synthesis involvess vapor-phase dehydrogenation of a 1-pentanol/CS 2 mixture. [2]
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Dibenzothiophene (DBT, diphenylene sulfide) is the organosulfur compound consisting of two benzene rings fused to a central thiophene ring. It has the chemical formula C 12 H 8 S. It is a colourless solid that is chemically somewhat similar to anthracene .