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2,4-Dimethylpentane is an alkane with the chemical formula [(H 3 C) 2 CH] 2 CH 2. This colorless hydrocarbon is produced in large quantities in oil refineries. It results from the alkylation of isobutane by propylene. [1] Often referred to as "alkylate", it is blended with other gasoline components to give a high octane fuel.
(4): one conformation for trans,cis,cis,cis,cis-[10]annulene Although not aromatic itself, [10]annulene can transition between different conformational isomers through aromatic or quasiaromatic excited states , such that its conformational isomerism is fixed only at extreme cryogenic temperatures. [ 2 ]
Dihydrotachysterol (DHT) is a synthetic vitamin D analog activated in the liver that does not require renal hydroxylation like vitamin D 2 (ergocalciferol) and vitamin D 3 (cholecalciferol). DHT has a rapid onset of action (2 hours), a shorter half-life, and a greater effect on mineralization of bone salts than does vitamin D. [ 1 ]
The synthesis of cyclohexanetetrols can be achieved by, among other methods: reduction or hydrogenation of (1) cyclohexenetetrols, (2) tri-hydroxycyclohexanones, (3) pentahydroxycyclohexanones, (4) hydroxylated aromatic hydrocarbons, or (5) hydroxylated quinones; the (6) hydrogenolysis of dibromocyclohexanetetrols; the (7) hydration of ...
Cycloheptene is a 7-membered cycloalkene with a flash point of −6.7 °C. It is a raw material in organic chemistry and a monomer in polymer synthesis. Cycloheptene can exist as either the cis - or the trans -isomer.
Shenck ene reaction; Shi epoxidation; Shiina esterification; Shiina macrolactonization or Shiina lactonization; Sigmatropic reaction; Simmons–Smith reaction; Simonini reaction; Simonis chromone cyclization; Simons process; Skraup chinolin synthesis; Skraup reaction; Smiles rearrangement; S N Ar nucleophilic aromatic substitution; S N 1; S N 2 ...
Hagemann's ester, ethyl 2-methyl-4-oxo-2-cyclohexenecarboxylate, is an organic compound that was first prepared and described in 1893 by German chemist Carl Hagemann. The compound is used in organic chemistry as a reagent in the synthesis of many natural products including sterols , trisporic acids , and terpenoids .
[1] [2] It is the 6-methoxy derivative of the serotonergic psychedelic N,N-dimethyltryptamine (DMT) and is a positional isomer of the serotonergic psychedelic 5-MeO-DMT. [3] Similarly to analogues like DMT and 5-MeO-DMT, 6-MeO-DMT acts as a serotonin 5-HT 2A receptor agonist as well as a non-selective agonist of many other serotonin receptors.