Z-L-α-aminoadipic acid δ-tert-butyl ester dicyclohexylammonium salt
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Z-L-α-aminoadipic acid δ-tert-butyl ester dicyclohexylammonium salt

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Category
CBZ-Amino Acids
Catalog number
BAT-005782
CAS number
201668-30-6
Molecular Formula
C18H25NO6·C12H23N
Molecular Weight
532.82
Z-L-α-aminoadipic acid δ-tert-butyl ester dicyclohexylammonium salt
IUPAC Name
N-cyclohexylcyclohexanamine;(2S)-6-[(2-methylpropan-2-yl)oxy]-6-oxo-2-(phenylmethoxycarbonylamino)hexanoic acid
Synonyms
Z-L-Aad(OtBu)-OH DCHA; Z-L-2-aminohexanedioic acid δ-tert-butyl ester DCHA; (S)-2-Z-Aminohexanedioic acid-6-τ-butyl ester DCHA; Z-Aad(OtBu)-OH DCHA
Appearance
White powder
Purity
99%
Storage
Store at 2-8°C
InChI
InChI=1S/C18H25NO6.C12H23N/c1-18(2,3)25-15(20)11-7-10-14(16(21)22)19-17(23)24-12-13-8-5-4-6-9-13;1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h4-6,8-9,14H,7,10-12H2,1-3H3,(H,19,23)(H,21,22);11-13H,1-10H2/t14-;/m0./s1
InChI Key
RYOMDXINFGAENM-UQKRIMTDSA-N
Canonical SMILES
CC(C)(C)OC(=O)CCCC(C(=O)O)NC(=O)OCC1=CC=CC=C1.C1CCC(CC1)NC2CCCCC2
1. Some metabolites of 1-bromobutane in the rabbit and the rat
S P James, D A Jeffery, R H Waring, P B Wood Biochem J. 1968 Oct;109(5):727-36. doi: 10.1042/bj1090727.
1. Rabbits and rats dosed with 1-bromobutane excrete in urine, in addition to butylmercapturic acid, (2-hydroxybutyl)mercapturic acid, (3-hydroxybutyl)mercapturic acid and 3-(butylthio)lactic acid. 2. Although both species excrete both the hydroxybutylmercapturic acids, only traces of the 2-isomer are excreted by the rabbit. The 3-isomer has been isolated from rabbit urine as the dicyclohexylammonium salt. 3. 3-(Butylthio)lactic acid is formed more readily in the rabbit; only traces are excreted by the rat. 4. Traces of the sulphoxide of butylmercapturic acid have been found in rat urine but not in rabbit urine. 5. In the rabbit about 14% and in the rat about 22% of the dose of 1-bromobutane is excreted in the form of the hydroxymercapturic acids. 6. Slices of rat liver incubated with S-butylcysteine or butylmercapturic acid form both (2-hydroxybutyl)mercapturic acid and (3-hydroxybutyl)mercapturic acid, but only the 3-hydroxy acid is formed by slices of rabbit liver. 7. S-Butylglutathione, S-butylcysteinylglycine and S-butylcysteine are excreted in bile by rats dosed with 1-bromobutane. 8. Rabbits and rats dosed with 1,2-epoxybutane excrete (2-hydroxybutyl)mercapturic acid to the extent of about 4% and 11% of the dose respectively. 9. The following have been synthesized: N-acetyl-S-(2-hydroxybutyl)-l-cysteine [(2-hydroxybutyl)mercapturic acid] and N-acetyl-S-(3-hydroxybutyl)-l-cysteine [(3-hydroxybutyl)mercapturic acid] isolated as dicyclohexylammonium salts, N-toluene-p-sulphonyl-S-(2-hydroxybutyl)-l-cysteine, S-butylglutathione and N-acetyl-S-butylcysteinyl-glycine ethyl ester.
2. Biosynthesis of mercapturic acids from allyl alcohol, allyl esters and acrolein
C M Kaye Biochem J. 1973 Aug;134(4):1093-1101. doi: 10.1042/bj1341093.
1. 3-Hydroxypropylmercapturic acid, i.e. N-acetyl-S-(3-hydroxypropyl)-l-cysteine, was isolated, as its dicyclohexylammonium salt, from the urine of rats after the subcutaneous injection of each of the following compounds: allyl alcohol, allyl formate, allyl propionate, allyl nitrate, acrolein and S-(3-hydroxypropyl)-l-cysteine. 2. Allylmercapturic acid, i.e. N-acetyl-S-allyl-l-cysteine, was isolated from the urine of rats after the subcutaneous injection of each of the following compounds: triallyl phosphate, sodium allyl sulphate and allyl nitrate. The sulphoxide of allylmercapturic acid was detected in the urine excreted by these rats. 3. 3-Hydroxypropylmercapturic acid was identified by g.l.c. as a metabolite of allyl acetate, allyl stearate, allyl benzoate, diallyl phthalate, allyl nitrite, triallyl phosphate and sodium allyl sulphate. 4. S-(3-Hydroxypropyl)-l-cysteine was detected in the bile of a rat dosed with allyl acetate.
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