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Zwitterion

" in MedChemExpress (MCE) Product Catalog:

9

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5

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1

Isotope-Labeled Compounds

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Cat. No. Product Name Target Research Areas Chemical Structure
  • HY-B2246
    L-Carnitine hydrochloride
    Maximum Cited Publications
    12 Publications Verification

    (R)-Carnitine hydrochloride; Levocarnitine hydrochloride

    		 Endogenous Metabolite Metabolic Disease Cancer
    L-Carnitine hydrochloride ((R)-Carnitine hydrochloride), a highly polar, small zwitterion, is an essential co-factor for the mitochondrial β-oxidation pathway. L-Carnitine hydrochloride functions to transport long chain fatty acyl-CoAs into the mitochondria for degradation by β-oxidation. L-Carnitine hydrochloride is an antioxidant. L-Carnitine hydrochloride can ameliorate metabolic imbalances in many inborn errors of metabolism .
    L-Carnitine hydrochloride
  • HY-W009177
    S-Methylglutathione

    		Glyoxalase (GLO) Others
    S-Methylglutathione is an S-substitued glutathione and a stronger nucleophile than GSH . S-Methylglutathione has inhibitory effect on glyoxalase 1 .
    S-Methylglutathione
  • HY-B0399
    L-Carnitine
    Maximum Cited Publications
    12 Publications Verification

    (R)-Carnitine; Levocarnitine

    		 Endogenous Metabolite Neurological Disease Cancer
    L-Carnitine ((R)-Carnitine), a highly polar, small zwitterion, is an essential co-factor for the mitochondrial β-oxidation pathway. L-Carnitine functions to transport long chain fatty acyl-CoAs into the mitochondria for degradation by β-oxidation. L-Carnitine is an antioxidant. L-Carnitine can ameliorate metabolic imbalances in many inborn errors of metabolism .
    L-Carnitine
  • HY-116925
    L-767679

    		Biochemical Assay Reagents Others
    L-767679 (compound I) is a hydrophilic zwitterion with a low intestinal metabolism .
    L-767679
  • HY-B2246R
    L-Carnitine hydrochloride (Standard)

    		Endogenous Metabolite Metabolic Disease Cancer
    L-Carnitine (hydrochloride) (Standard) is the analytical standard of L-Carnitine (hydrochloride). This product is intended for research and analytical applications. L-Carnitine hydrochloride ((R)-Carnitine hydrochloride), a highly polar, small zwitterion, is an essential co-factor for the mitochondrial β-oxidation pathway. L-Carnitine hydrochloride functions to transport long chain fatty acyl-CoAs into the mitochondria for degradation by β-oxidation. L-Carnitine hydrochloride is an antioxidant. L-Carnitine hydrochloride can ameliorate metabolic imbalances in many inborn errors of metabolism .
    L-Carnitine hydrochloride (Standard)
  • HY-113270
    Actinine

    γ-Butyrobetaine; Deoxycarnitine

    		 Endogenous Metabolite Metabolic Disease
    Actinine (γ-Butyrobetaine) is an amino acid betaine aminobutyric acid zwitterion. Actinine acts as both a human metabolite and a metabolite of E. coli .
    Actinine
  • HY-B0399R
    L-Carnitine (Standard)

    		Endogenous Metabolite Neurological Disease Cancer
    L-Carnitine (Standard) is the analytical standard of L-Carnitine. This product is intended for research and analytical applications. L-Carnitine ((R)-Carnitine), a highly polar, small zwitterion, is an essential co-factor for the mitochondrial β-oxidation pathway. L-Carnitine functions to transport long chain fatty acyl-CoAs into the mitochondria for degradation by β-oxidation. L-Carnitine is an antioxidant. L-Carnitine can ameliorate metabolic imbalances in many inborn errors of metabolism .
    L-Carnitine (Standard)
  • HY-B2246S
    L-Carnitine-d9 chloride

    (R)-Carnitine-d9 chloride; Levocarnitine-d9 chloride

    		 Isotope-Labeled Compounds Endogenous Metabolite Metabolic Disease
    L-Carnitine-d9 (chloride)e is the deuterium labeled L-Carnitine chloride. L-Carnitine chloride, a highly polar, small zwitterion, is an essential co-factor for the mitochondrial β-oxidation pathway. L-Carnitine chloride functions to transport long chain fatty acyl-CoAs into the mitochondria for degradation by β-oxidation. L-Carnitine chloride is an antioxidant. L-Carnitine chloride can ameliorate metabolic imbalances in many inborn errors of metabolism[1][2][3].
    L-Carnitine-d9 chloride
  • HY-117074
    BMS-247243

    		Others Infection
    BMS-247243 is a β-lactam antibiotic against methicillin-resistant Staphylococcus aureus. This section introduces its synthesis method and biological properties. A practical synthetic method was developed to exchange iodide ions with chloride ions to form 4-thiopyridinol 6b with C-3 side chain, thereby effectively synthesizing methyl ester 12b with C-7 side chain. The reaction of 14 with methylthiolate lithium salt was catalyzed by Bu4NCl to form methyl ester 12b in high yield. Reaction with thiolate dianion gave the corresponding Michael addition byproduct, resulting in a decrease in the quality of thermodynamic product 12b. The diester 17 was synthesized by acid chlorination acylation of 16 with 12b in a two-phase system, avoiding the troublesome deprotection work such as using DCC or EDAC. During the TFA reaction to remove the protecting group 17, the bis acid 20 was unexpectedly obtained. The bis acid 19 reacted with 4-thiopyridinol 6b to form BMS-247243 in moderate yield. Alternatively, efficient coupling of diester 17 with 4-thiopyridinol 6b afforded crystalline diester 21 with little contamination from isomer 22. Double deprotection of diester 21 followed by crystallization afforded the bis-zwitterion BMS-247243 in high yield.
    BMS-247243

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