Boc-O-methyl-DL-tyrosine dicyclohexylammonium salt
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Boc-O-methyl-DL-tyrosine dicyclohexylammonium salt

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Category
BOC-Amino Acids
Catalog number
BAT-007151
CAS number
53267-94-0
Molecular Formula
C15H21NO5·C12H23N
Molecular Weight
476.65
Boc-O-methyl-DL-tyrosine dicyclohexylammonium salt
IUPAC Name
N-cyclohexylcyclohexanamine;3-(4-methoxyphenyl)-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid
Synonyms
Boc-DL-Tyr(Me)-OH DCHA; Boc-π-methoxy-DL-Phe-OH DCHA; Boc-4-methoxy-DL-phenylalanine dicyclohexylammonium salt
Related CAS
141895-35-4 (free base)
Appearance
White powder
Purity
≥ 98% (HPLC)
Melting Point
149-155 °C
Storage
Store at 2-8 °C
InChI
InChI=1S/C15H21NO5.C12H23N/c1-15(2,3)21-14(19)16-12(13(17)18)9-10-5-7-11(20-4)8-6-10;1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h5-8,12H,9H2,1-4H3,(H,16,19)(H,17,18);11-13H,1-10H2
InChI Key
QUKLMYRLRRACCN-UHFFFAOYSA-N
Canonical SMILES
CC(C)(C)OC(=O)NC(CC1=CC=C(C=C1)OC)C(=O)O.C1CCC(CC1)NC2CCCCC2
1. Dicyclo-hexyl-ammonium 3,5-dinitro-benzoate
Sohail Saeed, Naghmana Rashid, Rizwan Hussain, Wing-Tak Wong Acta Crystallogr Sect E Struct Rep Online. 2012 Jul 1;68(Pt 7):o2168. doi: 10.1107/S1600536812027389. Epub 2012 Jun 23.
The asymmetric unit of the title salt, C(12)H(24)N(+)·C(7)H(3)N(2)O(6) (-), contains two cations and two anions. In the crystal, the cations and anions are connected by N-H⋯O hydrogen bonds, forming a 12-membered ring with an R(4) (4)(12) graph-set motif. The center of this 12-membered ring coincides with an inversion centre. π-π stacking is observed between parallel benzene rings [centroid-centriod distance = 3.771 (2) Å].
2. Dicyclohexylammonium bromoacetate: a low molecular mass organogelator with a one-dimensional secondary ammonium monocarboxylate (SAM) synthon
Tomasz Rojek, Tadeusz Lis, Ewa Matczak-Jon Acta Crystallogr C Struct Chem. 2015 Jul;71(Pt 7):593-7. doi: 10.1107/S2053229615011018. Epub 2015 Jun 18.
The asymmetric unit of the title salt, C12H24N(+)·C2H2BrO2(-), contains a dicyclohexylammonium cation connected to a bromoacetate anion by means of an N-H...O hydrogen bond. In the crystal, the ion pairs assemble via N-H...O interactions, forming zigzag infinite chains parallel to the c axis with the (...H-N-H...O-C-O...)n motif that is considered to be a prerequisite for ensuring gelation properties of secondary ammonium monocarboxylate salts. The title salt was characterized by FT-IR, X-ray powder diffraction (XRPD), TG-DTA and (1)H NMR spectroscopy in solution. Gelation experiments revealed that dicyclohexylammonium bromoacetate forms molecular gels with dimethylformamide and dimethyl sulfoxide. Scanning electron microscopy (SEM) was used to reveal morphological features of dried gels.
3. The formation of 2-hydroxypropylmercapturic acid from 1-halogenopropanes in the rat
E A Barnsley Biochem J. 1966 Aug;100(2):362-72. doi: 10.1042/bj1000362.
1. 2-Hydroxypropylmercapturic acid, i.e. N-acetyl-S-(2-hydroxypropyl)-l-cysteine, has been isolated, as the dicyclohexylammonium salt, from the urine of rats dosed with 1-bromopropane. 2. The formation of the same metabolite from 1-chloropropane, 1-iodopropane, 1,2-epoxypropane and 1-chloropropan-2-ol has been demonstrated by chromatographic examination of the urine excreted by rats after they had been dosed with these compounds. 3. (+)- and (-)-Dicyclohexylammonium 2-hydroxypropylmercapturate have been prepared by fractional crystallization of the mixture of isomers obtained by two methods: the reaction of 1,2-epoxypropane with l-cysteine followed by acetylation, and the reduction of 2-oxopropylmercapturic acid. 4. The following compounds have also been prepared: S-(3-hydroxypropyl)-l-cysteine, (+)- and (-)-S-(2-hydroxypropyl)-l-cysteine, dicyclohexylammonium 3-hydroxypropylmercapturate, (+)- and (-)-dicyclohexylammonium 2-hydroxy-1-methylethylmercapturate, and (+)- and (-)-dicyclohexylammonium 1-(ethoxycarbonyl)ethylmercapturate.
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