Boc-L-Pyroglutamic acid benzyl ester

Modify Date: 2025-08-22 20:39:47

Boc-L-Pyroglutamic acid benzyl ester Structure
Boc-L-Pyroglutamic acid benzyl ester structure
Common Name Boc-L-Pyroglutamic acid benzyl ester
CAS Number 113400-36-5 Molecular Weight 319.352
Density 1.2±0.1 g/cm3 Boiling Point 464.9±38.0 °C at 760 mmHg
Molecular Formula C17H21NO5 Melting Point N/A
MSDS N/A Flash Point 235.0±26.8 °C

 Names

Name 2-O-benzyl 1-O-tert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 464.9±38.0 °C at 760 mmHg
Molecular Formula C17H21NO5
Molecular Weight 319.352
Flash Point 235.0±26.8 °C
Exact Mass 319.141968
PSA 72.91000
LogP 1.37
Appearance of Characters Powder | White
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.542
Storage condition 2-8°C

 Safety Information

Hazard Codes Xi
HS Code 2933790090

 Synthetic Route

~98%

Boc-L-Pyroglutamic acid benzyl ester Structure

Boc-L-Pyrogluta...

CAS#:113400-36-5

Literature: Tetrahedron Letters, , vol. 43, # 19 p. 3499 - 3501

~95%

Boc-L-Pyroglutamic acid benzyl ester Structure

Boc-L-Pyrogluta...

CAS#:113400-36-5

Literature: EP1970377 A1, ; Page/Page column 55 ;

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Boc-L-Pyroglutamic acid benzyl ester Structure

Boc-L-Pyrogluta...

CAS#:113400-36-5

Literature: WO2006/24501 A1, ; Page/Page column 41 ; WO 2006/024501 A1

~38%

Boc-L-Pyroglutamic acid benzyl ester Structure

Boc-L-Pyrogluta...

CAS#:113400-36-5

Literature: Tetrahedron, , vol. 53, # 30 p. 10545 - 10554

~%

Boc-L-Pyroglutamic acid benzyl ester Structure

Boc-L-Pyrogluta...

CAS#:113400-36-5

Literature: Organic Letters, , vol. 6, # 9 p. 1469 - 1471

~%

Boc-L-Pyroglutamic acid benzyl ester Structure

Boc-L-Pyrogluta...

CAS#:113400-36-5

Literature: Journal of Medicinal Chemistry, , vol. 41, # 15 p. 2819 - 2834

~%

Boc-L-Pyroglutamic acid benzyl ester Structure

Boc-L-Pyrogluta...

CAS#:113400-36-5

Literature: Journal of the American Chemical Society, , vol. 123, # 39 p. 9706 - 9707

~%

Boc-L-Pyroglutamic acid benzyl ester Structure

Boc-L-Pyrogluta...

CAS#:113400-36-5

Literature: Bioorganic and Medicinal Chemistry, , vol. 15, # 10 p. 3474 - 3488

 Customs

HS Code 2933790090
Summary 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

 Synonyms

1,2-Pyrrolidinedicarboxylic acid,5-oxo-,1-(1,1-dimethylethyl)2-(phenylmethyl) ester,(S)
benzyl 1-(t-butoxycarbonyl)pyroglutamate
(S)-2-Benzyl 1-tert-butyl 5-oxopyrrolidine-1,2-dicarboxylate
2-Benzyl 1-(2-methyl-2-propanyl) (2S)-5-oxo-1,2-pyrrolidinedicarboxylate
phenylmethyl (S)-1-(1,1-dimethylethoxycarbonyl)-5-oxopyrrolidine-2-carboxylate
Boc-L-Pyroglutamicacidbenzylester
2-benzyl 1-tert-butyl (2S)-5-oxo-1,2-pyrrolidinedicarboxylate
1,2-Pyrrolidinedicarboxylic acid, 5-oxo-, 1-(1,1-dimethylethyl) 2-(phenylmethyl) ester, (2S)-
2-Benzyl 1-tert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate
PYR294
(2S)-benzyl N-(tert-butyloxycarbonyl)-pyroglutamate
benzyl (2S)-N-tert-butoxycarbonyl-pyroglutamate
Boc-L-Pyroglutamic acid benzyl ester
Boc-Pyr-OBzl
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