Rongalite: a useful green reagent in organic synthesis

S Kotha, P Khedkar - Chemical Reviews, 2012 - ACS Publications
Rongalite, also called Rongalit (Rongal-registered trademark of BASF), is sodium
hydroxymethanesulfinate dihydrate, which is represented by the chemical formula …

Diversity-oriented approaches to polycyclics and bioinspired molecules via the Diels–Alder strategy: Green chemistry, synthetic economy, and beyond

S Kotha, AS Chavan, D Goyal - ACS Combinatorial Science, 2015 - ACS Publications
We describe diverse approaches to various dienes and their utilization in the Diels–Alder
reaction to produce a variety of polycycles. The dienes covered here are prepared by simple …

Synthetic applications of rongalite: A green tool in the service of Diels–Alder chemistry and beyond

S Kotha, P Khedkar, Y Dommaraju - Tetrahedron Letters, 2019 - Elsevier
Rongalite or sodium hydroxymethanesulfinate dihydrate acts as a bleaching agent and it is
used in printing and dying industry. Due to its ability to deliver SO 2 dianion, rongalite is …

Diversity-oriented synthesis of medicinally important 1, 2, 3, 4-tetrahydroisoquinoline-3-carboxylic acid (Tic) derivatives and higher analogs

S Kotha, D Deodhar, P Khedkar - Organic & Biomolecular Chemistry, 2014 - pubs.rsc.org
1, 2, 3, 4-Tetrahydroisoquinoline-3-carboxylic acid (Tic) is a constrained analog of
phenylalanine (Phe). The Tic unit has been identified as a core structural element present in …

Diversity‐Oriented Approach to Carbocycles and Heterocycles through Ring‐Rearrangement Metathesis, Fischer Indole Cyclization, and Diels–Alder Reaction as Key …

S Kotha, O Ravikumar - European Journal of Organic Chemistry, 2014 - Wiley Online Library
Readily available dicyclopentadiene derivatives were subjected to ring‐rearrangement
metathesis in the presence of ruthenium catalysts to deliver a range of fused polycycle …

Design of Synthetic Strategies towards Sulfur Containing Scaffolds

S Kotha, P Khedkar - Synthesis, 2025 - thieme-connect.com
The utilization of sulfur heterocycles in organic synthesis has attracted significant attention
due to their wide-ranging applications. This review showcases the syntheses of diverse …

Tandem base-free synthesis of β-hydroxy sulphides under ultrasound irradiation

GS Lv, FJ Duan, JC Ding, TX Cheng, WX Gao… - Journal of Chemical …, 2012 - Springer
Rongalite® promotes cleavage of diaryl disulphides generating the corresponding thiolate
species in situ which then undergo facile ring-opening of epoxides in a regioselective …

Rongalite

JX Chen - Synlett, 2012 - thieme-connect.com
Rongalite (also known as sodium formaldehyde sulfoxylate or sodium
hydroxymethanesulfinate) is a versatile, inexpensive and readily available reagent, which …

Diversity Oriented Approach to Polycyclic Compounds through the Diels–Alder Reaction and the Suzuki Coupling

S Kotha, S Misra, V Srinivas - European Journal of Organic …, 2012 - Wiley Online Library
A diversity oriented strategy has been demonstrated to deliver small “drug like” molecules
using alkylation, Diels–Alder reaction, and Suzuki–Miyaura cross‐coupling as key steps …

[PDF][PDF] DIVERSITY-ORIENTED APPROACH TO 1, 2, 3, 4-TETRAHYDROISOQUINOLINE-3-CARBOXYLIC ACID (TIC) DERIVATIVES

S Kotha, S Misra, NG Krishna, V Bandi, M Saifuddin… - …, 2016 - researchgate.net
A convenient method is reported for synthesizing various 1, 2, 3, 4-tetrahydroisoquinoline-3-
carboxylic acid derivatives and bis-armed acid derivatives by treating dibromo-o-xylylenes …