N-(9-Fluorenylmethoxycarbonyl)-O-tert-butylthreonine
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N-(9-Fluorenylmethoxycarbonyl)-O-tert-butylthreonine
structure -
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CAS No:
71989-35-0
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Formula:
C23H27NO5
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Chemical Name:
N-(9-Fluorenylmethoxycarbonyl)-O-tert-butylthreonine
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Synonyms:
L-Threonine,O-(1,1-dimethylethyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-;O-(1,1-Dimethylethyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-threonine;N-(9-Fluorenylmethoxycarbonyl)-O-tert-butylthreonine;(2S,3R)-2-(((9-Fluorenylmethoxy)carbonyl)amino)-3-(tert-butoxy)butanoic acid;(2S,3R)-3-tert-Butoxy-2-[[[[9H-fluoren-9-yl]methoxy]carbonyl]amino)butanoic acid;Fmoc-L-Thr(tBu)-OH;199116-71-7;487011-59-6;1485522-58-4
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CAS No:
N-(9-Fluorenylmethoxycarbonyl)-O-tert-butylthreonine Basic Attributes
397.46
397.46
276-261-1
29242990
Characteristics
84.9
4
White Fine Fluffy Crystalline Powder
1.2±0.1 g/cm3
131-132 °C @ Solvent: Nitromethane
581.7ºC at 760 mmHg
305.6±30.1 °C
1.569
2-8°C
40 º (c=1, chloroform)
Safety Information
3077
3
36/37/38-50/53
24/25-36/37/39-27-26-61-60-29/56
Xi,N
Stable under normal temperatures and pressures.
P273-P501
H410
|Warning|H400 (93.02%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]|P273, P391, and P501|Aggregated GHS information provided by 44 companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
N-(9-Fluorenylmethoxycarbonyl)-O-tert-butylthreonine Use and Manufacturing
Suspend O-tert-butyl-L-threonine in dioxane solution and acylate with fluorenylmethyloxycarbonyl azide to obtain a crude product, which is extracted with ethyl acetate under the condition of pH 9-10 It is obtained by recrystallization and refining.
Used for peptide synthesis and as amino acid protection monomer.
Computed Properties
Molecular Weight:397.5
XLogP3:4
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:8
Exact Mass:397.18892296
Monoisotopic Mass:397.18892296
Topological Polar Surface Area:84.9
Heavy Atom Count:29
Complexity:564
Defined Atom Stereocenter Count:2
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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N-(9-Fluorenylmethoxycarbonyl)-O-tert-butylthreonine
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