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82 results about "Adrenergic receptor sites" patented technology

Adrenergic receptor. The adrenergic receptors (or adrenoceptors) are a class of G protein-coupled receptors that are targets of the catecholamines, especially norepinephrine (noradrenaline) and epinephrine (adrenaline).

Unsymmetrical hydrogen migration synthesizing method for (R, R)-formoterol

The invention relates to an asymmetric hydrogen transfer synthesis method for (R,R)-formoterol, and relates to a novel method for synthesizing an optical pure beta 2-adrenoreceptor excitant, namely formoterol. The method comprises: firstly, taking 4-hydroxyl-3 nitroacetophenone as a raw material, using benzyl groups to protect phenolic hydroxyl groups, and obtaining alpha-bromo keto after bromination; secondly, taking (S,S)-Rh-PEG-BsDPEN as a catalyst and formic acid and derivatives of the formic acid as hydrogen sources, and synthesizing chiral alcohol intermediate by an asymmetric hydrogen transfer method; thirdly, using (R)-alpha-methyl phenylethylamine and methoxyl phenylacetone to generate imine compounds, and obtaining chiral amine intermediate through hydrogenation reduction under the catalysis of Pt / C; and fourthly, reacting and coupling the chiral alcohol intermediate and the chiral amine intermediate, removing protective groups, and obtaining the (R,R)-formoterol. The invention uses the asymmetric hydrogen transfer method and a chiral auxiliary reagent to synthesize the (R,R)-formoterol, and has high yield and good ee value. Compared with a method for synthesizing chiral formoterol through chemical splitting, the method has the advantages of high total yield, mild reaction conditions, low cost and so on, and is favorable for industrial production.
Owner:SUN YAT SEN UNIV

Substituted 1-arylethyl-4-acylaminopiperidine derivatives as opioid/alpha-adrenoreceptor modulators and method of their preparation

The invention provides compounds that bind with high affinities to the μ-, δ-and κ-opioid receptors and α2-adrenoreceptor. In addition to providing these compounds with novel pharmacological binding properties, the invention also describes detailed novel methods for the preparation of representative compounds and a scheme for the synthesis of related compounds that bind to the opioid receptors and / or α2-adrenoreceptor.
Owner:THE ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIV OF ARIZONA
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