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Merck
CN

440655

Boc-Asp(OBzl)-OH

98%

Synonym(s):

N-(tert-Butoxycarbonyl)-L-aspartic acid 4-benzyl ester, Boc-L-aspartic acid 4-benzyl ester

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About This Item

Linear Formula:
C6H5CH2OCOCH2CH(COOH)NHCOOC(CH3)3
CAS Number:
Molecular Weight:
323.34
EC Number:
231-406-8
UNSPSC Code:
12352200
PubChem Substance ID:
Beilstein/REAXYS Number:
2064127
MDL number:
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assay

98%

optical activity

[α]20/D −19.5°, c = 2 in DMF

mp

98-102 °C (lit.)

SMILES string

[H][C@@](CC(=O)OCc1ccccc1)(NC(=O)OC(C)(C)C)C(O)=O

InChI

1S/C16H21NO6/c1-16(2,3)23-15(21)17-12(14(19)20)9-13(18)22-10-11-7-5-4-6-8-11/h4-8,12H,9-10H2,1-3H3,(H,17,21)(H,19,20)/t12-/m0/s1

InChI key

SOHLZANWVLCPHK-LBPRGKRZSA-N

Application

Starting material for the enantiospecific synthesis of (R)-(+)-Boc-iturinic acid (n-C14), the L-aspartic series of thrombin inhibitors, and diketopiperazine tetrapeptides. Used in the preparation of a novel tricyclic dipeptide mimetic based on a [6H]-azepino indoline nucleus.


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Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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De Lombaert, S. et al.
Tetrahedron Letters, 35, 7513-7513 (1994)
Bergeron, R.J. et al.
Journal of the American Chemical Society, 116, 8479-8479 (1994)
K Hilpert et al.
Journal of medicinal chemistry, 37(23), 3889-3901 (1994-11-11)
Thrombin, a serine protease, plays a central role in the initiation and propagation of thrombotic events. An extensive search for new thrombin inhibitors was performed, using an unconventional approach. Screening of small basic molecules for binding in the recognition pocket