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Thiophene is considered to be aromatic, although theoretical calculations suggest that the degree of aromaticity is less than that of benzene. The "electron pairs" on sulfur are significantly delocalized in the pi electron system. As a consequence of its aromaticity, thiophene does not exhibit the properties seen for conventional sulfides. For ...
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]
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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.
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 ...
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Thiophene-2-acetic acid is the organosulfur compound with the formula HO 2 CCH 2 C 4 H 3 S. Together with thiophene-3-acetic acid, it is one of two isomeric thiophene acetic acids. Preparation and use