CAS: 60-19-5; Tyramine (Hydrochloride)

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在 盐酸体系中,用 丙醇 作为反应溶剂,化学反应 0.08H,以81%的收率获得产物酪胺盐酸盐
参考文献:Rapid Conventional And Microwave-Assisted Decarboxylation Of L-Histidine And Other Amino Acids Via Organocatalysis With R-Carvone Under Superheated Conditions
标题:Rapid Conventional And Microwave-Assisted Decarboxylation Of L-Histidine And Other Amino Acids Via Organocatalysis With R-Carvone Under Superheated Conditions
摘要:This Article Reports A New Methodology Taking Advantage Of Superheated Chemistry Via Either Microwave Or Conventional Heating For The Facile Decarboxylation Of Alpha Amino Acids Using The Recoverable Organocatalyst,R-Carvone. The Decarboxylation Of Amino Acids Is An Important Synthetic Route To Biologically Active Amines,And Traditional Methods Of Amino Acid Decarboxylation Are Time Consuming (Taking Up To Several Days In The Case Of L-Histidine),Are Narrow In Scope,And Make Use Of Toxic Catalysts. Decarboxylations Of Amino Acids Including L-Histidine occur In Just Minutes While Replacing Toxic Catalysts With Green Catalyst,Spearmint Oil. Yields Are Comparable To Or Exceed Previous Methods And Purification Of Product Ammonium Chloride Salts Is Aided By An Isomerization Reaction Of Residual Catalyst To Phenolic Carvacrol. The Method Has Been Shown To Be Effective For The Decarboxylations Of A Range Of Natural,Synthetic,And Protected Amino Acids.
DOI:10.1080/00397911.2015.1100745

专利信息

专利号:US-2004053355-A1
优先权日:2000-05-26
标题:Modular approach to on-line synthesis, drug discovery and biochemical transformations using immobilized enzyme reactors
发明人：WAINER IRVING; MARKOGLOU NEKTARIA
摘要:A coupled system using extremely different enzymes with incompatible cofactors and reaction conditions has been constructed using standard liquid chromatographic formats and open tubular formats. One of the significant aspects of the present invention lies in the development of the liquid chromatographic on-line enzyme cascade. This has been illustrated by the biosynthetic pathway involving dopamine beta-hydroxylase and phenylethanolamine N-methyltransferase which encompass the synthesis of the key neurotransmitters, norepinephrine and epinephrine. The results demonstrate for the first time the immobilization of dopamine beta-hydroxylase and phenylethanolamine N-methyltransferase. The IMERs are active and can be used in a liquid chromatographic format for qualitative and quantitative determinations. The IMER-HPLC system can be used to carry out standard Michaelis-Menten enzyme kinetic studies and to quantitatively determine enzyme kinetic constants, identify specific enzyme inhibitors, provide information regarding the mode of inhibition and the inhibitor constants (K i ). A second significant aspect of the present invention lies in the ability of the immobilized enzyme reactors to be used independently or as a combination, thus providing a unique opportunity to explore the interrelationships between these enzymes, to investigate the source of diseases and to design new drug entities for identified clinical syndromes.

专利号:US-2024052097-A1
优先权日:2021-02-08
标题 :Synthesis of peg-based thiol-norbornene hydrogels with tunable hydroylitic degradation properties
发明人：LIN CHIEN-CHI; LIN FANG-YI
权利人:UNIV INDIANA TRUSTEES
摘要:Methods for synthesizing a hydrogel having tunable hydrolylic degradation kinetics according to certain embodiments include synthesizing a norborene-functionalized polyethylene glycol macromer having an ester linkage between a polyethylene glycol domain of the macromer and a norbornene domain of the macromer and having a carboxyl group on the norbornene; and reacting a quantity of such macromers with a quantity of dithiol molecules by an ultraviolet-initiated photo-gelation reaction to yield a hydrogel. Such macromers and such hydrogels form additional aspects of the disclosure, as do a wide variety of methods for tuning and for using such hydrogels.

专利号:US-2006004188-A1
优先权日:2000-09-29
标 题:Intermediates and the synthesis of modified carbocyanine dyes and their conjugates

专利号:WO-2022170012-A1
优先权日:2021-02-08
标 题:Synthesis of peg-based thiol-norbornene hydrogels with tunable hydroylitic degradation properties

专利号:WO-2023050002-A1
优先权日:2021-09-28
标题:PROCESS FOR SYNTHESIS OF ACIDIC SALTS OF AMINES FROM α-AMINO ACIDS AND FORMULATION COMPRISING SUCH AMINE ACIDIC SALTS

专利号:US-7566790-B2
优先权日:2000-09-29
标 题 :Intermediates and the synthesis of modified carbocyanine dyes and their conjugates