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N-???-DL-?????

N-???-DL-?????
N-???-DL-????? ??? ???
?? ??:
59-53-0
???:
N-???-DL-?????
???(??):
N-???-DL-?????
???:
N-ACETYL-DL-PENICILLAMINE
???(??):
usafhj-2;N-ACETYL PENICILLAMINE;N-Acetyl-DL-penicilamine;N-ACETYL-DL-PENICILLAMINE;N-ACETYL-3-MERCAPTOVALINE;ACETYL-DL-PENICILLAMINE, N-;Valine, N-acetyl-3-mercapto-;N-Acetyl-DL-penicillamine,98%;N-acetyl-3-mercapto-,DL-Valine;N-ACETYL-DL-PENICILLAMINE 98%
CBNumber:
CB9426340
???:
C7H13NO3S
??? ??:
191.25
MOL ??:
59-53-0.mol

N-???-DL-????? ??

???
186-189 °C (dec.)(lit.)
??
1.2684 (rough estimate)
???
1.6370 (estimate)
?? ??
2-8°C
???
DMF: 30 mg/ml,DMSO: 30 mg/ml,DMSO:PBS (pH 7.2) (1:7): 0.12 mg/ml,Ethanol: 5 mg/ml
??? ??
??? ??
?? ?? (pKa)
pK1: 9.90 (30°C)
??
  • ?? ? ?? ??
????? 22-24/25
WGK ?? 3
RTECS ?? YV9380000
F ?????? 10-23
???? ?? 2014-3-5987
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
??????:
NFPA 704
0
1 0

N-???-DL-????? C??? ??, ??, ??

??? ??

White crystalline powder

Purification Methods

Both forms are recrystallised from hot H2O. A pure sample of the D-form is obtained after five recrystallisations. [Crooks in The Chemistry of Penicillin Clarke, Johnson and Robinson eds, Princeton University Press, 470 1949, Review: Chain et al. Antibiotics (Oxford University Press) 2 1949, Beilstein 4 III 1662.]

N-???-DL-????? ?? ?? ? ???

???

??,3-????-,?????? 4-Thiazolecarboxylic acid, 4,5-dihydro-2,5,5-trimethyl- 2-acetamido-3-methyl-3-(nitrososulfanyl)butanoic acid DL-????? ????

?? ??

(R)-2-Amino-3-mercapto-3-methylbutanoic acid N-???-3-????-D-??

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N-???-DL-????? ?? ??:

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