Chemistry of bridged lactams and related heterocycles

M Szostak, J Aube - Chemical reviews, 2013 - ACS Publications
The amide bond is one of the most important functional groups in chemistry and biology. 1
Due to the strong resonance interaction between nN and π* C O orbitals (Figure 1), 2 the …

Chiral Oxazolopiperidone Lactams: Versatile Intermediates for the Enantioselective Synthesis of Piperidine‐Containing Natural Products

C Escolano, M Amat, J Bosch - Chemistry–A European Journal, 2006 - Wiley Online Library
Phenylglycinol‐derived oxazolopiperidone lactams are exceptionally versatile building
blocks for the enantioselective construction of structurally diverse piperidine‐containing …

Chemistry of bicyclic 5-6 systems: Synthesis of oxazolo[3,2-a]pyridines and their salts with a ring-junction nitrogen atom

M Monier, A El-Mekabaty, D Abdel-Latif… - Synthetic …, 2019 - Taylor & Francis
The present review highlights the synthetic procedures reported for the preparation of
oxazolo [3, 2-a] pyridines as a class of 5-6 bicyclic heterocycles with a nitrogen atom at the …

Enantioselective synthesis of 3, 3-disubstituted piperidine derivatives by enolate dialkylation of phenylglycinol-derived oxazolopiperidone lactams

M Amat, O Lozano, C Escolano, E Molins… - The Journal of Organic …, 2007 - ACS Publications
The stereochemical outcome of the enolate dialkylation of simple phenylglycinol-derived
oxazolopiperidone lactams is studied. High stereoselectivities in the generation of the …

9‐Membered Carbocycle Formation: Development of Distinct Friedel–Crafts Cyclizations and Application to a Scalable Total Synthesis of (±)‐Caraphenol A

NE Wright, SA Snyder - Angewandte Chemie International …, 2014 - Wiley Online Library
Explorations into a series of different approaches for 9‐membered carbocycle formation
have afforded the first reported example of a 9‐exo‐dig ring closure via a AuIII‐promoted …

Straightforward Methodology for the Enantioselective Synthesis of Benzo[a]- and Indolo[2,3-a]quinolizidines

M Amat, MMM Santos, O Bassas, N Llor… - The Journal of …, 2007 - ACS Publications
An enantioselective two-step route to substituted benzo [a]-and indolo [2, 3-a] quinolizidines
has been developed. It consists of (i) a stereoselective cyclocondensation of a racemic or …

[PDF][PDF] A biomimetic enantioselective approach to the decahydroquinoline class of dendrobatid alkaloids

M Amat, R Griera, R Fabregat, E Molins… - Angewandte Chemie …, 2008 - cyberleninka.org
Frogs of the neotropical family Dendrobatidae produce a remarkably diverse array of
biologically active alkaloids. One of the major classes of these amphibian alkaloids [1] are …

A Direct Stereoselective Approach to trans-2,3-Disubstituted Piperidines: Application in the Synthesis of 2-Epi-CP-99,994 and (+)-Epilupinine

M Ahari, A Perez, C Menant, JL Vasse… - Organic …, 2008 - ACS Publications
A Direct Stereoselective Approach to trans-2,3-Disubstituted Piperidines: Application in the
Synthesis of 2-Epi-CP-99,994 and (+)-Epilupinine | Organic Letters ACS ACS Publications …

Dynamic kinetic resolution and desymmetrization processes: A straightforward methodology for the enantioselective synthesis of piperidines

M Amat, O Bassas, N Llor, M Cantó… - … A European Journal, 2006 - Wiley Online Library
A straightforward procedure for the synthesis of enantiopure polysubstituted piperidines is
reported. It involves the direct generation of chiral non‐racemic oxazolo [3, 2‐a] piperidone …

Enantioselective formal synthesis of (+)-dihydrocorynantheine and (−)-dihydrocorynantheol

M Amat, A Gómez-Esqué, C Escolano… - The Journal of …, 2009 - ACS Publications
The enantioselective construction of the 3-ethylindolo [2, 3-a] quinolizidine moiety present in
numerous indole alkaloids is reported, the key steps being a stereoselective …