Cas no 109183-72-4 ((S)-2-((Tert-Butoxycarbonyl)amino)-2-cyclopentylacetic acid)

(S)-2-((Tert-Butoxycarbonyl)amino)-2-cyclopentylacetic acid is a chiral Boc-protected amino acid derivative widely used in peptide synthesis and pharmaceutical research. Its cyclopentyl side chain enhances conformational rigidity, making it valuable for designing peptidomimetics and bioactive compounds. The tert-butoxycarbonyl (Boc) group provides orthogonal protection for the amine functionality, enabling selective deprotection under mild acidic conditions. This compound exhibits high stereochemical purity, ensuring precise control in asymmetric synthesis. Its compatibility with standard coupling reagents facilitates efficient incorporation into peptide chains. The product is particularly useful in medicinal chemistry for developing protease inhibitors and constrained peptides, where its structural features contribute to improved metabolic stability and target binding affinity.
(S)-2-((Tert-Butoxycarbonyl)amino)-2-cyclopentylacetic acid structure
109183-72-4 structure
Product Name:(S)-2-((Tert-Butoxycarbonyl)amino)-2-cyclopentylacetic acid
CAS No:109183-72-4
MF:C12H21NO4
MW:243.29944396019
MDL:MFCD00671385
CID:62765
PubChem ID:7020746
Update Time:2025-06-07

(S)-2-((Tert-Butoxycarbonyl)amino)-2-cyclopentylacetic acid Chemical and Physical Properties

Names and Identifiers

    • (S)-2-((tert-Butoxycarbonyl)amino)-2-cyclopentylacetic acid
    • N-tert-Butoxycarbonyl-L-Cyclopentylglycine
    • 1 week
    • Boc-(S)-2-Cyclopentylglycine
    • Boc-Cpg-OH · DCHA
    • Boc-cyclopentyl-D-Gly-OH . DCHA
    • Boc-cyclopentyl-Gly-OH
    • Boc-cyclopentyl-Gly-OH . DCHA
    • Boc-cyclopentyl-Gly-OH · DCHA
    • Boc-Cyclopentyl-Gly-OH Dcha
    • BOC-CYCLOPENTYL-GLY-OH?DCHA
    • Boc-L-Cyclopentylglycine
    • Boc-L-cyclopentylglycine dicyclohexylammonium salt
    • (2S)-2-cyclopentyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]acetic acid
    • N-Boc-2-cyclopentyl-L-glycine dicyclohexylammonium salt
    • BOC-CPG-OH
    • Boc-L-Cpg-OH
    • BOC-CPG-OH DCHA
    • BOC-L-CPG-OH DCHA
    • Boc-Gly(cyclopentyl)-OH
    • BOC-GLY(CPENTYL)-OH DCHA
    • BOC-GLY(CYCLOPENTYL)-OH DCHA
    • BOC-L-CYCLOPENTYL GLYCINE
    • (S)-TERT-BUTOXYCARBONYLAMINO-CYCLOPENTYL-ACETIC ACID
    • (2S)-[(tert-Butoxycarbonyl)amino](cyclopentyl)ethanoic acid
    • (2S)-2-{[(tert-butoxy)carbonyl]amino}-2-cyclopentylacetic acid
    • WBSJQVRMQOLSAT-VIFPVBQESA-N
    • Boc-Cpg-OH.DCHA
    • RW1189
    • EBD2202990
    • MFCD00671385
    • CS-W019414
    • N-alpha-t-Butyloxycarbonyl-L-cyclopentylglycine (Boc-L-Gly(cPent)-OH)
    • N-alpha-t-Butyloxycarbonyl-L-cyclopentylglycine dicyclohexylamine
    • DS-14990
    • BB 0262060
    • (S)-2-((tert-Butoxycarbonyl)amino)-2-cyclopentylaceticacid
    • (2S)-cyclopentyl({[(1,1-dimethylethyl)oxy]carbonyl}amino)ethanoic acid
    • SCHEMBL464205
    • Q-101640
    • EN300-1071310
    • 109183-72-4
    • AKOS015841385
    • PD197022
    • AKOS015920313
    • (2S)-[(tert-Butoxycarbonyl)amino](cyclopentyl)acetic acid
    • (S)-[(tert-butoxycarbonyl)amino](cyclopentyl)acetic acid
    • DTXSID40427277
    • HY-W018628
    • BOC-L-GLY(CPENT)
    • (S)-2-((Tert-Butoxycarbonyl)amino)-2-cyclopentylacetic acid
    • MDL： MFCD00671385
    • Inchi： 1S/C12H21NO4/c1-12(2,3)17-11(16)13-9(10(14)15)8-6-4-5-7-8/h8-9H,4-7H2,1-3H3,(H,13,16)(H,14,15)/t9-/m0/s1
    • InChI Key： WBSJQVRMQOLSAT-VIFPVBQESA-N
    • SMILES： O(C(C)(C)C)C(N[C@H](C(=O)O)C1CCCC1)=O

Computed Properties

  • Exact Mass: 243.14700
  • Monoisotopic Mass: 243.14705815g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 4
  • Heavy Atom Count: 17
  • Rotatable Bond Count: 5
  • Complexity: 289
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 1
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 75.6
  • XLogP3: 2.4

Experimental Properties

  • Color/Form: No data avaiable
  • Density: 1.137
  • Melting Point: No data available
  • Boiling Point: 393.5 oC at 760 mmHg
  • Flash Point: 191.8 oC
  • Refractive Index: 1.494
  • PSA: 75.63000
  • LogP: 2.54540
  • Vapor Pressure: 0.0±1.9 mmHg at 25°C

(S)-2-((Tert-Butoxycarbonyl)amino)-2-cyclopentylacetic acid Security Information

(S)-2-((Tert-Butoxycarbonyl)amino)-2-cyclopentylacetic acid Customs Data

  • HS CODE：2924299090
  • Customs Data：

    China Customs Code:

    2924299090

    Overview:

    2924299090. Other cyclic amides(Including cyclic carbamates)(Including their derivatives as well as their salts). VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to, packing

    Summary:

    2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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(S)-2-((Tert-Butoxycarbonyl)amino)-2-cyclopentylacetic acid Production Method

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