Catalytic Asymmetric Syntheses of 2, 5‐Diketopiperazine (DKP) Frameworks

JS Yang, FM Zhang, AJ Ma, JB Peng… - Asian Journal of …, 2023 - Wiley Online Library
This mini‐review summarizes catalytic asymmetric synthetic methodologies for preparing 2,
5‐diketopiperazine (DKP) frameworks since 1990, with two types of synthetic precursor …

Facile synthesis of a versatile Ti/Ti-W@ PANI nanocomposite for sustainable hydrogen production under solar irradiation

A Krishnan, TC Bhagya, SMA Shibli - Applied Surface Science, 2020 - Elsevier
Abstract TiO 2/TiO 2-WO 3 (Ti/Ti-W) reinforced PANI hybrid composite synthesis and
investigation of its structural and photocatalytic hydrogen evolution activity are discussed in …

(±)-Pheharmines A–B, two pairs of racemic alkaloids with a morpholino [4, 3, 2-hi] β-carboline core, from the roots of Peganum harmala

SG Li, X Hu, Q Zhang, YH Zan, KB Wang… - Organic & …, 2022 - pubs.rsc.org
Two pairs of unprecedented β-carboline-phenylpropanoid heterogeneous alkaloids,(±)-
pheharmines A–B (1–4), characterized by a morpholino [4, 3, 2-hi] β-carboline core with two …

Unusually high α-proton acidity of prolyl residues in cyclic peptides

OR Maguire, B Taylor, EM Higgins, M Rees… - Chemical …, 2020 - pubs.rsc.org
The acidity of the α-proton in peptides has an essential role in numerous biochemical
reactions and underpins their stereochemical integrity, which is critical to their biological …

Organocatalytic Asymmetric Construction of 2, 6‐Diazabicyclo‐[2.2. 2] octanes by Harnessing the Potential of an 3‐Oxindolium Ion Intermediate

J Yadav, A Patel, AJ Dolas, E Iype… - Angewandte Chemie … - Wiley Online Library
Due to its structural complexity and intrinsic sensitivity of bridged aminal junction, 2, 6‐
diazabicyclo [2.2. 2] octane (2, 6‐DABCO) has remained a highly desirable target in …

[PDF][PDF] Polyketopiperazines: triketopiperazines, tetraketopiperazines synthesis, reactions, bioactivities and applications.

NA Sharafeldin - ARKIVOC: Online Journal of Organic Chemistry, 2022 - researchgate.net
Several polyketopiperazines represent the simplest heterocyclic compounds found in
nature, acting as a vital base-structure for many bioactive compounds. They are widely …

[引用][C] Unusually high a-proton acidity of prolyl residues in cyclic peptides

OR Maguire, B Taylor, EM Higgins, M Rees, SL Cobb… - 2020