Stereoselective Construction of (E,Z)‐1,3‐Dienes and Its Application in Natural Product Synthesis

P Hubert, E Seibel, C Beemelmanns… - Advanced Synthesis …, 2020 - Wiley Online Library
Abstract The E, Z‐configured 1, 3‐diene unit is a common motif in numerous bioactive
natural products. Although several powerful methods are available to produce these motifs …

Intramolecular Diels–Alder reaction as a key step in tandem or sequential processes: a versatile tool for the synthesis of fused and bridged bicyclic or polycyclic …

PT Parvatkar, HK Kadam, SG Tilve - Tetrahedron, 2014 - Elsevier
Two or more reactions when carried out in a single pot experiment, they are usually termed
as tandem reactions. 1, 2 When these reactions take place in sequential manner they may …

A Triphenylphosphine‐Based Microporous Polymer for a Wittig Reaction Cycle in the Solid State

V Weigelt, S Vogl, J Schmidt, A Thomas - Angewandte Chemie, 2023 - Wiley Online Library
The Wittig reaction is a key step in industrial processes to synthesise large quantities of
vitamin A and various other important chemicals that are used in daily life. This article …

Diastereoselective synthesis of novel spiro indanone fused pyrano [3, 2-c] chromene derivatives following hetero-Diels–Alder reaction and in vitro anticancer studies

P Panda, S Nayak, SK Sahoo, S Mohapatra, D Nayak… - RSC …, 2018 - pubs.rsc.org
The development of concise methods for the synthesis of small functionalised spirocyclic
molecules is important in the search of new bioactive molecules. To contribute this, here we …

Indoloquinolines: possible biogenesis from common indole precursors and their synthesis using domino strategies

PT Parvatkar, PS Parameswaran - Current Organic Synthesis, 2016 - ingentaconnect.com
The tetracyclic indoloquinoline alkaloids, cryptolepine, neocryptolepine, isocryptolepine and
their analogues, isolated from the West African shrub Cryptolepis sanguinolenta are known …

Synthesis of α-Arylated Cycloalkanones from Congested Trisubstituted Spiro-epoxides: Application of the House–Meinwald Rearrangement for Ring Expansion

N Jeedimalla, C Jacquet, D Bahneva… - The Journal of …, 2018 - ACS Publications
A three-step sequence for the synthesis of α-arylated cyclohexanones and the most
challenging cycloheptanones is reported. First, an efficient one-pot synthesis of β, β' …

Synthesis of indenes via aluminum chloride-promoted tandem Friedel–Crafts alkylation of arenes and cinnamaldehydes

H Kheira, P Li, J Xu - Journal of Molecular Catalysis A: Chemical, 2014 - Elsevier
A series of substituted indenes were synthesized from arenes and cinnamaldehydes via
aluminum chloride-promoted tandem Friedel–Crafts alkylation. The scope and limitation of …

Recent developments towards the synthesis of varitriol: an antitumour agent from marine derived fungus Emericella Variecolor

MS Majik, S Tilvi, PT Parvatkar - Current Organic Synthesis, 2014 - ingentaconnect.com
Marine natural products are recognized as a fruitful source of drug development due to their
rare structural entities and diverse biological activities, and consequently, publicized number …

Domino Wittig–Diels Alder reaction: synthesis of carbazole lignans

SG Tilve, PS Torney, RE Patre, DP Kamat… - Tetrahedron …, 2016 - Elsevier
A convenient two step protocol for the synthesis of carbazole lignans involving Domino
Wittig reaction/Diels Alder reaction followed by aromatization with DDQ is described. The …

Polyethyleneimine-supported triphenylphosphine and its use as a highly loaded bifunctional polymeric reagent in chromatography-free one-pot Wittig reactions

X **a, PH Toy - Synlett, 2015 - thieme-connect.com
A polyethyleneimine-supported triphenylphosphine reagent has been synthesized and used
as a highly loaded bifunctional homogeneous reagent in a range of one-pot Wittig reactions …