Site-selective and stereoselective transformations on p-quinols & p-quinamines

SB Thopate, M Phanindrudu, SB Jadhav… - Chemical …, 2023 - pubs.rsc.org
The intermolecular transformation of simple substrates into highly functionalized scaffolds
with multiple stereogenic centers is an attractive strategy in modern organic synthesis …

Molecular Complexity from Aromatics: Recent Advances in the Chemistry of paraQuinol and Masked para‐Quinone Monoketal

G Chandra, S Patel - ChemistrySelect, 2020 - Wiley Online Library
Synthesis of complex organic molecules from simple, cheap, and readily available starting
materials is one of the most challenging and desirable factors in organic synthesis. In the …

Redox-neutral functionalization of α-Csp 3–H bonds of secondary cyclic amines: a highly atom-economical strategy for N-arylation/formal cross-dehydrogenative …

P Jha, S Husen, R Kumar - Green Chemistry, 2021 - pubs.rsc.org
An efficient redox-neutral method has been developed for α-Csp3–H functionalization of
secondary cyclic amines via concurrent N-arylation/formal cross dehydrogenation coupling …

Direct Use of Phosphonium Salts for Alkylation of p-Quinols: Formal α-Arylation of Carbonyls via a 5-Membered Betaine-Type Intermediate

S Husen, P Jha, A Singh, R Kumar - Organic Letters, 2022 - ACS Publications
Unlike phosphonium ylides used extensively for C═ C bond formation, herein we disclose
the direct use of phosphonium salts for site-selective alkylation to p-quinols via a 5 …

A scalable and eco-friendly total synthesis of poly (ADP-ribose) polymerase inhibitor Olaparib

I Chatterjee, D Roy, G Panda - Green Chemistry, 2023 - pubs.rsc.org
A scalable total synthesis of a potent poly (ADP-ribose) polymerase (PARP) enzyme
inhibitor, Olaparib (Lynparza), approved by US FDA and EMA for ovarian cancer, is …

Catalyst-Controlled Diastereoselective Synthesis of Bridged [3.3. 1] Bis (Indolyl)-Oxanes and Oxepanes via Desymmetrization of Bis (Indolyl)-Cyclohexadienones

AK Mishra, A Chauhan, S Kumar, R Kant… - Organic Letters, 2023 - ACS Publications
A catalyst-controlled divergent synthesis of bridged [3.3. 1] bis (indolyl)-oxanes and cis-[6.7]
fused bis (indolyl) oxepanes via diastereoselective desymmetrization of bis (indolyl) …

Polycyclic Pyrazoles from Alkynyl Cyclohexadienones and Nonstabilized Diazoalkanes via [3+ 2]-Cycloaddition/[1, 5]-Sigmatropic Rearrangement/Aza-Michael …

RK Patel, P Jha, A Chauhan, R Kant, R Kumar - Organic Letters, 2024 - ACS Publications
An efficient method for the stereoselective synthesis of “all center substituted” polycyclic
pyrazoles from alkynyl cyclohexa-2, 5-dienones and nonstabilized diazoalkanes via …

Anion-Relay Double Aza-Michael–Michael Cascades to Enone-Tethered Cyclohexadienones: Access to an Intricate Bridged Ring System

A Chauhan, RK Patel, A Yadav, R Kant… - Organic Letters, 2024 - ACS Publications
An anion-relay double aza-Michael–Michael addition strategy has been reported for the
synthesis of intricate scaffolds from enone-tethered cyclohexadienones and primary amines …

Catalytic Friedel–Crafts Alkylative Desymmetrization of Cyclohexa-2, 5-dienones: Access to Linear and Bridged Polycyclic Pyrroles and 3-Arylpyrroles

RK Patel, A Chauhan, P Jha, R Kant, R Kumar - Organic Letters, 2022 - ACS Publications
A catalytic [3+ 2]-cycloaddition/Friedel–Crafts alkylative desymmetrization strategy has been
developed for the stereoselective construction of linear and bridged polycyclic pyrroles from …

Electrochemical Dearomatizing Methoxylation of Phenols and Naphthols: Synthetic and Computational Studies

I Tomczyk, M Kalek - Chemistry–A European Journal, 2024 - Wiley Online Library
The electrochemical oxidative dearomatizing methoxylation of phenols and naphthols was
developed. It provides an alternative route for the preparation of methoxycyclohexadienones …