(+)-(1S,3R)-N-BOC-3-AMINOCYCLOPENTANECARBOXYLIC ACID Chemical Properties

Melting point:

35-49 °C

Boiling point:

371.18°C (rough estimate)

Density 

1.1482 (rough estimate)

refractive index 

1.4490 (estimate)

storage temp. 

Keep in dark place,Sealed in dry,Room Temperature

solubility 

slightly sol. in Methanol

pka

4.62±0.40(Predicted)

form 

Powder or Chunks

color 

White

optical activity

[α]/D +16.0±1°, c = 1% in methanol

InChI

InChI=1S/C11H19NO4/c1-11(2,3)16-10(15)12-8-5-4-7(6-8)9(13)14/h7-8H,4-6H2,1-3H3,(H,12,15)(H,13,14)/t7-,8+/m0/s1

InChIKey

RNJQBGXOSAQQDG-JGVFFNPUSA-N

SMILES

[C@H]1(C(O)=O)CC[C@@H](NC(OC(C)(C)C)=O)C1

Safety Information

Hazard Codes 

Xi

Safety Statements 

22-24/25

WGK Germany 

3

HazardClass 

IRRITANT

HS Code 

29223900

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS

(+)-(1S,3R)-N-BOC-3-AMINOCYCLOPENTANECARBOXYLIC ACID Usage And Synthesis

Chemical Properties

white powder or chunks

Uses

(-)-(1R,3S)-N-Boc-1-Aminocyclopentane-3-carboxylic Acid is a reagent used in the synthesis of 3-substituted aminocyclopentanes as potent NR2B subtype-sellective NMDA antagonists in the treatment of neuropathic pain and Parkinson’s.

reaction suitability

reaction type: Boc solid-phase peptide synthesis

Synthesis

The general procedure for the synthesis of (1S,3R)-3-((tert-butoxycarbonyl)amino)cyclopent-2-enecarboxylic acid using (1R,4S)-4-((tert-butoxycarbonyl)amino)cyclopent-2-enecarboxylic acid as a starting material was as follows: (1R,4S)-4-((tert-butoxycarbonyl)amino)cyclopent-2-enecarboxylic acid (230 g, 1.0 mol) prepared in step A was hydrogenated with 10% Pd/ C catalyst (5.0 g) in 500 mL of methanol and hydrogenated on a Parr shaker at 50 psi hydrogen pressure for 1 hour. Upon completion of the reaction, the catalyst was removed by filtration followed by evaporation of the filtrate to remove the solvent. The resulting residue was dissolved in dichloromethane and dried by adding anhydrous sodium sulfate. After filtration again, the filtrate was evaporated and dried under vacuum to afford (1S,3R)-3-((tert-butoxycarbonyl)amino)cyclopentanecarboxylic acid as a light yellow solid (230 g, 99% yield). Analyzed by LC-MS, the calculated value of [M+H+] for C11H19NO4 was 230 and the measured value was 230, which was as expected.

References

[1] Patent: WO2004/76411, 2004, A2. Location in patent: Page 28
[2] Patent: WO2003/93231, 2003, A2. Location in patent: Page/Page column 56
[3] Patent: US2007/155731, 2007, A1. Location in patent: Page/Page column 27; 36
[4] Patent: WO2005/110409, 2005, A2. Location in patent: Page/Page column 30
[5] Patent: WO2005/75426, 2005, A1. Location in patent: Page/Page column 28

(+)-(1S,3R)-N-BOC-3-AMINOCYCLOPENTANECARBOXYLIC ACID(261165-05-3)Related Product Information

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