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N-Boc-4,4-difluoro-L-proline

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产品名称: N-Boc-4,4-difluoro-L-proline
产品型号: 203866-15-3
产品展商: Ossila

简单介绍


N-Boc-4,4-difluoro-L-proline  的详细介绍

N-Boc-4,4-difluoro-l-proline (CAS number 203866-15-3) is a tert-butoxycarbonyl (Boc) protected l-proline with two fluorine substituents at 4-position. N-Boc-4,4-difluoro-l-proline is an S-enantiomer, making it an excellent additive/catalyst in asymmetric reactions. In protein/peptide chemistry, N-Boc-4,4-difluoro-l-proline is introduced for conformational control favoring 78% cis-conformers. The conformation selectivity is also expressed in the 19F NMR spectrum which is a powerful tool to study the isomerization of peptides and proteins.

N-Boc-4,4-difluoro-l-proline is also applied as a molecular scaffold for synthesizing fibroblast activation protein, a trans-membrane serine protease.


General Information


CAS Number 203866-15-3
Chemical Formula C10H15F2NO4
Full Name (S)-1-(tert-Butoxycarbonyl)-4,4-difluoro-2-pyrrolidinecarboxylic acid
Molecular Weight 251.23 g/mol
Synonyms N-(tert-Butoxycarbonyl)-4,4-difluoro-l-proline
Classification / Family Fluorinated building blocks, Heterocyclic building blocks, Proteins, Peptides, Asymmetric synthesis, Chiral molecules

Chemical Structure


N-Boc-4,4-difluoro-L-proline chemical structure, CAS 203866-15-3.
N-Boc-4,4-difluoro-l-proline chemical structure, CAS 203866-15-3

Product Details


Purity 97%
Melting Point Tm = 120 °C – 140 °C
Optical Rotation −44.19 ° (c = 1, methanol)
Appearance Off-white powder
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