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Home > Encyclopedia > S-Benzyl-L-cysteine methyl ester hydrochloride

S-Benzyl-L-cysteine methyl ester hydrochloride

S-Benzyl-L-cysteine methyl ester hydrochloride structure

S-Benzyl-L-cysteine methyl ester hydrochloride 

structure
  • CAS No:

    16741-80-3

  • Formula:

    C11H15NO2S.ClH

  • Chemical Name:

    S-Benzyl-L-cysteine methyl ester hydrochloride

  • Synonyms:

    L-Cysteine,S-(phenylmethyl)-,methyl ester,hydrochloride (1:1);Alanine,3-(benzylthio)-,methyl ester,hydrochloride,L-;L-Cysteine,S-(phenylmethyl)-,methyl ester,hydrochloride;S-Benzylcysteine hydrochloride methyl ester;S-Benzyl-L-cysteine methyl ester hydrochloride;Methyl 3-benzyl-L-cysteinate hydrochloride;L-Cysteine benzyl thioether methyl ester hydrochloride;NSC 161612;L-S-Benzylcysteine methyl ester hydrochloride;170278-52-1

  • Categories:

    Biochemical Engineering  >  Amino Acids and Derivatives

Description

Crystalline

S-Benzyl-L-cysteine methyl ester hydrochloride Basic Attributes

261.77

261.059021

240-803-5

161612|17157

2930909090

Characteristics

77.6

1.165g/cm3

160-162 °C @ Solvent: Methanol, Diethyl ether

339.8°C at 760 mmHg

159.3ºC

−20°C

Safety Information

3

S22-S24/25

S-Benzyl-L-cysteine methyl ester hydrochloride Use and Manufacturing

Synthesis OFN (L-CYANOCYCLOPROPYL)-3-PHENYLMETHANESULFONYL-2 (R)- (2, 2, 2-TRIFLUORO-1 (RS)- thiophen-2-yl-ethylamino) propionamide STEP 1 To a COLD (0° C), stirred solution of 2 (R)-amino-3-phenylmethanesulfanylpropionic acid (commercially available) (4. 01 g, 19.0 mmol) in methanol (100 mL) was introduced HCL gas for 15 min and the reaction mixture was sealed and stirring was continued at rt overnight. The solvent was then evaporated under vacuum to give methyl 2 (R)-amino-3-phenylmethane- sulfanylpropionate HCL in quantitative yield (4.98 g).To a solution of compound 7 (1 g, 5 mmol) in methanol (30 mL) at 0 °C was dropped SOCl2 (1.5 mL, 7 mmol) and then the mixture was stirred at room temperature for 6 h. Methanol was evaporated to give 8 as a white solid (1.3 g, 85percent), mp 148-150 °C (lit [37].: 160-162 °C; lit. [38].: 151-152 °C). 1H NMR (400 MHz, CDCl3) δ 7.23-7.32 (m, 5H, Ar-H), 3.73 (s, 2H, -CH2Ph), 3.72 (s, 3H, -COOCH3), 3.58-3.61 (m, 1H, H-2), 2.80-2.85 (m, 1H, H-3), 2.64-2.69 (m, 1H, H-3).

Computed Properties

Molecular Weight:261.77
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:6
Exact Mass:261.0590276
Monoisotopic Mass:261.0590276
Topological Polar Surface Area:77.6
Heavy Atom Count:16
Complexity:193
Undefined Atom Stereocenter Count:1
Covalently-Bonded Unit Count:2
Compound Is Canonicalized:Yes

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