Z-Asn-OtBu

Modify Date: 2024-01-12 22:17:45

Z-Asn-OtBu Structure
Z-Asn-OtBu structure
Common Name Z-Asn-OtBu
CAS Number 25456-85-3 Molecular Weight 322.356
Density 1.2±0.1 g/cm3 Boiling Point 542.0±50.0 °C at 760 mmHg
Molecular Formula C16H22N2O5 Melting Point N/A
MSDS N/A Flash Point 281.6±30.1 °C

 Names

Name tert-butyl (2S)-4-amino-4-oxo-2-(phenylmethoxycarbonylamino)butanoate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 542.0±50.0 °C at 760 mmHg
Molecular Formula C16H22N2O5
Molecular Weight 322.356
Flash Point 281.6±30.1 °C
Exact Mass 322.152863
PSA 107.72000
LogP 2.65
Vapour Pressure 0.0±1.4 mmHg at 25°C
Index of Refraction 1.528

 Safety Information

HS Code 2924299090

 Synthetic Route

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Z-Asn-OtBu Structure

Z-Asn-OtBu

CAS#:25456-85-3

Literature: Callahan,F.M. et al. Journal of the American Chemical Society, 1963 , vol. 85, p. 201 - 207

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Z-Asn-OtBu Structure

Z-Asn-OtBu

CAS#:25456-85-3

Literature: Vasella; Voeffray Helvetica Chimica Acta, 1983 , vol. 66, # 4 p. 1241 - 1252

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Z-Asn-OtBu Structure

Z-Asn-OtBu

CAS#:25456-85-3

Literature: Vasella, Andrea; Voeffray, Robert Journal of the Chemical Society, Chemical Communications, 1981 , # 3 p. 97 - 98

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Z-Asn-OtBu Structure

Z-Asn-OtBu

CAS#:25456-85-3

Literature: Vasella; Voeffray Helvetica Chimica Acta, 1983 , vol. 66, # 4 p. 1241 - 1252

~%

Z-Asn-OtBu Structure

Z-Asn-OtBu

CAS#:25456-85-3

Literature: Vasella; Voeffray Helvetica Chimica Acta, 1983 , vol. 66, # 4 p. 1241 - 1252

~%

Z-Asn-OtBu Structure

Z-Asn-OtBu

CAS#:25456-85-3

Literature: Vasella; Voeffray Helvetica Chimica Acta, 1983 , vol. 66, # 4 p. 1241 - 1252

~%

Z-Asn-OtBu Structure

Z-Asn-OtBu

CAS#:25456-85-3

Literature: Galpin; Hancock; Kenner Tetrahedron, 1983 , vol. 39, # 1 p. 149 - 158

~%

Z-Asn-OtBu Structure

Z-Asn-OtBu

CAS#:25456-85-3

Literature: Vasella; Voeffray Helvetica Chimica Acta, 1983 , vol. 66, # 4 p. 1241 - 1252

 Customs

HS Code 2924299090
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%

 Synonyms

Z-L-asparagine tert-butyl ester
2-Methyl-2-propanyl N-[(benzyloxy)carbonyl]-L-asparaginate
L-Asparagine, N-[(phenylmethoxy)carbonyl]-, 1,1-dimethylethyl ester
Z-Asn-OtBu
Carbobenzoxy-L-asparagin-tert.-butylester
tert-butyl (2S)-3-carbamoyl-2-[(phenylmethoxy)carbonylamino]propanoate
(S)-N-benzyloxycarbonylaspargine t-butyl ester
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