scholarly journals Palladium(0)-Catalyzed Regioselective Synthesis of α-Dehydro-β-amino Esters from Amines and Allyl Acetates: Synthesis of a α-Dehydro-β-amino Acid Derived Cyclic Peptide as a Constrained β-Turn Mimic.

ChemInform ◽  
2003 ◽  
Vol 34 (14) ◽  
Author(s):  
S. Rajesh ◽  
Biswadip Banerji ◽  
Javed Iqbal
Keyword(s):  
Amino Acid ◽  
Cyclic Peptide ◽  
Regioselective Synthesis ◽  
Amino Esters ◽  
Turn Mimic

scholarly journals Synthesis of an σ-dehydro β-amino acid derived cyclic peptide as a constrained  β-turn mimic

ARKIVOC ◽  
2001 ◽  
Vol 2001 (8) ◽  
pp. 20-26
Author(s):  
S. Rajesh ◽  
Jyoti Srivastava ◽  
Biswadip Bannerji ◽  
Javed Iqbal
Keyword(s):  
Amino Acid ◽  
Cyclic Peptide ◽  
Turn Mimic

scholarly journals In vitro display evolution of the PURE system-expressed TNFα-binding unnatural cyclic peptide containing an N-methyl-d-amino acid

2021 ◽  
Vol 534 ◽  
pp. 519-525 ◽  
Author(s):  
Keita Tsukamoto ◽  
Takehiro Ando ◽  
Daisuke Fuji ◽  
Takumi Yokoyama ◽  
Yukio Takamori ◽  
...  
Keyword(s):  
Amino Acid ◽  
Cyclic Peptide ◽  
Pure System

scholarly journals Enantioselective Coupling of Nitroesters and Alkynes

2020 ◽  
Author(s):  
Ryan Davison ◽  
Patrick Parker ◽  
Xintong Hou ◽  
Crystal Chung ◽  
Sara Augustine ◽  
...  
Keyword(s):  
Amino Acid ◽  
Subsequent Reduction ◽  
Amino Esters

<div><div><div><p>By using Rh-H catalysis, we couple α-nitroesters and alkynes to prepare α-amino acid surrogates. This atom-economical strategy generates two contiguous stereocenters, with high enantio- and diastereocontrol. In this transformation, the alkyne undergoes isomerization to generate a Rh(III)-π-allyl electrophile, which is trapped by an α-nitroester nucleophile. A subsequent reduction with In powder transforms the allylic α-nitroesters to the corresponding α,α- disubstituted α-amino esters.</p></div></div></div>

Oriamide, a new cytotoxic cyclic peptide containing a novel amino acid from the marine sponge Theonella sp

Tetrahedron ◽  
1997 ◽  
Vol 53 (47) ◽  
pp. 16147-16152 ◽  
Author(s):  
Liat Chill ◽  
Yoel Kashman ◽  
Michael Schleyer
Keyword(s):  
Amino Acid ◽  
Marine Sponge ◽  
Cyclic Peptide
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