Butoxacarbonylbenzylthreonine

Name	N-tert-Butoxacarbonyl-O-benzyl-L-threonine
Synonyms	BOC-THR-OH BOC-THR(BZL)-OH BOC-Thr(Bzl)-OH N-a-BOC-(O-Bzl)-L-Thr boc-O-benzyl-L-threonine Butoxacarbonylbenzylthreonine Butoxycarbonylbenzylthreonine N-(tert-butoxycarbonyl)-L-threonine N-T-boc-O-benzyl-L-threonine*crystalline O-benzyl-N-(tert-butoxycarbonyl)threonine O-benzyl-N-tert-butoxycarbonyl-L-threonine N-tert-Butoxacarbonyl-O-benzyl-L-threonine N-(tert-Butoxycarbonyl)-O-benzyl-L-threonine O-benzyl-N-(tert-butoxycarbonyl)-L-threonine NALPHA-tert-Butoxycarbonyl-O-benzyl-L-threonine N-ALPHA-T-BUTYLOXYCARBONYL-O-BENZYL-L-THREONINE (2S,3R)-3-(benzyloxy)-2-[(tert-butoxycarbonyl)amino]butanoate
CAS	15260-10-3
EINECS	239-304-5
InChI	InChI=1/C9H17NO5/c1-5(11)6(7(12)13)10-8(14)15-9(2,3)4/h5-6,11H,1-4H3,(H,10,14)(H,12,13)/t5-,6+/m1/s1

Molecular Formula	C16H23NO5
Molar Mass	309.36
Density	1.152±0.06 g/cm3(Predicted)
Melting Point	80-82°C(lit.)
Boling Point	461.5±45.0 °C(Predicted)
Specific Rotation(α)	22 º (c=2 in 95% ethanol)
Flash Point	187.9°C
Vapor Presure	1.36E-07mmHg at 25°C
Appearance	White to off-white crystalline powder
Color	White to Almost white
BRN	3065591
pKa	3.50±0.10(Predicted)
Storage Condition	Keep in dark place,Sealed in dry,Room Temperature
Refractive Index	16.5 ° (C=1, MeOH)
MDL	MFCD00066062
Physical and Chemical Properties	White crystalline powder; Insoluble in water and petroleum ether, soluble in ethyl acetate and methanol; mp is 115-116 ° C; Specific optical rotation [α]20D 15.8 °(0.5-2.0 mg/ml, methanol).

Safety Description	S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes.
WGK Germany	3
TSCA	Yes
HS Code	2924 29 70

EPA chemical information	Information provided by: ofmpub.epa.gov (external link)
Use	Used for polypeptide synthesis and as an amino acid protective monomer.
Production method	Suspended O-benzyl-L-threonine in dioxane solution, acylation with tert-butoxycarbonyl azide to obtain a crude product, extracted with ethyl acetate at pH 9-10, and then refined by recrystallization.

Last Update：2024-04-10 22:29:15

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