Home > Name List By other > (2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]sulfanylmethylsulfanyl] propanoic acid

CAS No 498-59-9 , (2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]sulfanylmethylsulfanyl]
propanoic acid

  • Name: (2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]sulfanylmethylsulfanyl]
    propanoic acid
  • Synonyms: L-Djenkolate; 3,3'-(Methylenedithio)dialanine;(2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]sulfanylmethylsulfanyl]
    propanoic acid;Djenkolate; 498-59-9; L-Djenkolic acid; beta,beta'-Methylenedithiodialanine;
  • CAS Registry Number:
  • Flash Point: 265.5°C
  • Boiling Point: 515.4°C at 760 mmHg
  • Density: 1.501g/cm3
  • Refractive index: -65 ° (C=1, 1mol/L HCl)
  • Flash Point: 265.5°C
  • EINECS: 207-863-4
  • Molecular Weight: 254.32706
  • InchiKey: JMQMNWIBUCGUDO-WHFBIAKZSA-N
  • InChI: InChI=1S/C7H14N2O4S2/c8-4(6(10)11)1-14-3-15-2-5(9)7(12)13/h4-5H,1-3,
    8-9H2,(H,10,11)(H,12,13)/t4-,5-/m0/s1
  • Molecular Formula: C7H14N2O4S2
  • Molecular Structure:CAS No:498-59-9 (2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]sulfanylmethylsulfanyl]<br />propanoic acid

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References of (2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]sulfanylmethylsulfanyl]
propanoic acid
Title: Djenkolic Acid
CAS Registry Number: 498-59-9
CAS Name: S,S￠-Methylenebis-L-cysteine
Synonyms: 3,3￠-(methylenedithio)dialanine; 3,3￠-methylenedithiobis(2-aminopropanoic acid); L-cysteine thioacetal of formaldehyde
Molecular Formula: C7H14N2O4S2
Molecular Weight: 254.33
Percent Composition: C 33.06%, H 5.55%, N 11.01%, O 25.16%, S 25.22%
Line Formula: CH2[SCH2CH(NH2)COOH]2
Literature References: An amino acid isolated from the djenkol bean (Pithecolobium lobatum Benth., Leguminosae): van Veen, Hyman, Rec. Trav. Chim. 54, 493 (1935). Synthesis from 1 mol formaldehyde and 2 mols L-cysteine in strong HCl solution: Armstrong, du Vigneaud, J. Biol. Chem. 168, 373 (1947); cf. du Vigneaud, Patterson, ibid. 114, 633 (1936); Middlebrook, Phillips, Biochem. J. 41, 218 (1947). Synthesis of homologs: Frankel, Gertner, J. Chem. Soc. 1960, 898.
Properties: Rosettes of needles of various lengths. Gradually dec between 300 and 350°. [a]D20.5 -65.0° (1.0N HCl); [a]D25 -47.5° (c = 2 in 1.0N HCl). Very sparingly sol in cold water. Soly in boiling water about 1 in 200. Readily sol in aq solns of alkalies or acids.
Optical Rotation: [a]D20.5 -65.0° (1.0N HCl); [a]D25 -47.5° (c = 2 in 1.0N HCl)
 
Derivative Type: Monohydrochloride
Molecular Formula: C7H14N2O4S2.HCl
Molecular Weight: 290.79
Percent Composition: C 28.91%, H 5.20%, N 9.63%, O 22.01%, S 22.05%, Cl 12.19%
Properties: Slender prisms, dec 250-300°. Sol in water.
 
Derivative Type: Dibenzoyldjenkolic acid
Molecular Formula: C21H22N2O6S2
Molecular Weight: 462.54
Percent Composition: C 54.53%, H 4.79%, N 6.06%, O 20.75%, S 13.86%
Properties: Crystals, mp 87.5-89°.
Melting point: mp 87.5-89°