Cascade Cyclization of o-(2-Acyl-1-ethynyl)benzaldehydes with Amino Acid Derivatives: Synthesis of Indeno[2,1-c]pyran-3-ones and 1-Oxazolonylisobenzofurans …

R Worayuthakarn, N Suddee, C Theppitak… - ACS …, 2024 - ACS Publications
A highly regioselective divergent approach is reported for the synthesis of both indeno [2, 1-
c] pyran-3-one and 1-oxazolonylisobenzofuran derivatives using the Erlenmeyer–Plöchl …

Easy access to N-aryl, N-heteroarylbenzoxazolinones and 4-aza analogues via Diels–Alder cycloaddition reactions

F Lepifre, C Buon, PY Roger, P Bouyssou, G Coudert - Tetrahedron letters, 2004 - Elsevier
Easy access to N-aryl, N-heteroarylbenzoxazolinones and 4-aza analogues via Diels–Alder
cycloaddition reactions - ScienceDirect Skip to main contentSkip to article Elsevier logo …

Access to indenofurans and indenopyridines via annulation of heterocyclic ketene aminals, o-phthalaldehyde and cyclic 1, 3-diketones

F Sun, X Shao, Z Li - RSC advances, 2016 - pubs.rsc.org
An efficient and concise method was developed for access to indenofurans and
indenopyridines through a one pot, three-component protocol from heterocyclic ketene …

A Lewis acid initiated intramolecular cyclization of benzylidene acetal with an azide functional group: novel synthesis of oxazolines and oxazines

A Banerjee, PS Kumar, S Baskaran - Chemical Communications, 2011 - pubs.rsc.org
A Lewis acid initiated intramolecular cyclization of benzylidene acetal with an azide functional
group: novel synthesis of oxazolines and oxazines - Chemical Communications (RSC …

[PDF][PDF] APPROACH TO PHENANTHROINDOLIZIDINE ALKALOIDS USING ORGANIC AZIDES WITH 1-ARYL ALLYLIC ALCOHOLS: UNEXPECTED TANDEM …

N CYCLIZATION - Heterocycles, 2016 - triggered.edina.clockss.org
Organic azide cyclization reactions with 1-aryl allylic alcohols were investigated in a
synthetic study of phenanthroindolizidine alkaloids. Unsaturated imines (enimines) were …

2‐Alkynylaryl aldehydes (enynals) in organic synthesis

L Li, D Huang, C Shi, G Yan - Advanced Synthesis & Catalysis, 2019 - Wiley Online Library
Alkynylaryl aldehydes are widely used in organic reactions. Their great success is rooted in
their multiple functional groups. This review will focus on five kinds of triggered …

Construction of indeno [1, 2-b] pyrroles via chemoselective N-acylation/cyclization/Wittig reaction sequence

A Edukondalu, SS Vagh, TH Lin, W Lin - Chemical Communications, 2021 - pubs.rsc.org
An efficient protocol for the chemoselective construction of the indeno [1, 2-b] pyrroles and
rearranged indeno [1, 2-b] pyrrole derivatives is reported via an N-acylation/cyclization/Wittig …

A novel domino cyclization for the stereoselective synthesis of indeno [2, 1-c] pyran and cyclopenta [c] pyran derivatives

BVS Reddy, NP Raju, B Someswarao… - Organic & …, 2015 - pubs.rsc.org
A novel bicyclization of 2-(2-(hydroxymethyl)-1-methylene-2, 3-dihydro-1H-inden-2-yl)
ethanol with aldehydes in the presence of 10 mol% BF3· OEt2 in dichloromethane at 0–25° …

Synthesis of Aza Polycyclic Compounds Derived from Pyrrolidine, Indolizidine, and Indole via Intramolecular Diels− Alder Cycloadditions of Neutral 2-Azadienes

F Palacios, C Alonso, P Amezua… - The Journal of Organic …, 2002 - ACS Publications
A method for the preparation of novel oxaza and diaza polycyclic 9-oxa-4-azaphenanthrene,
5 H-pyrido [2, 3-a] pyrrolizine, 5 H, 6 H-pyrido [3, 2-g] indolizine, and 5 H, 6 H-indeno [2, 1-a] …

A facile Zr-mediated multicomponent approach to arylated allylic alcohols and its application to the synthesis of highly substituted indenes and spiroindenes

S Guo, Y Liu - Organic & Biomolecular Chemistry, 2008 - pubs.rsc.org
An efficient and one-pot procedure for the synthesis of arylated and stereodefined allylic
alcohols has been achieved through zirconium-mediated multicomponent coupling …