Chemistry of Ketene N,S-Acetals: An Overview

L Zhang, J Dong, X Xu, Q Liu - Chemical Reviews, 2016 - ACS Publications
Push–pull alkenes, which bear electron-donating and-accepting group (s) at both termini of
a C C double bond, respectively, are of interest not only for their unique electronic …

Recent advances in the chemistry of 1, 2, 4-oxadiazoles

A Pace, S Buscemi, AP Piccionello, I Pibiri - Advances in Heterocyclic …, 2015 - Elsevier
Oxadiazoles experienced an almost 80-year long period of scientific lethargy before they
tickled the curiosity of chemists. The study of chemical and photochemical reactivity of 1, 2, 4 …

Enantioselective Synthesis of Dihydrothiopyranones via NHC-Catalyzed [3+ 3] Annulation of 2-Bromoenals with β-Oxodithioesters

S Barik, S Shee, RG Gonnade, AT Biju - Organic Letters, 2022 - ACS Publications
The N-heterocyclic carbene (NHC)-organocatalyzed [3+ 3] annulation of 2-bromoenals with
β-oxodithioesters resulting in the enantioselective synthesis of dihydrothiopyranones is …

Radical-Cascade Avenue to Access 1, 2-Dithioles Employing Dithioesters and Edman's Reagent

P Pali, MS Singh - Organic Letters, 2023 - ACS Publications
An operationally simple and efficient domino etiquette has been developed for the facile
construction of 1, 2-dithioles employing easily accessible dithioesters as a three-atom CCS …

Visible-light photocatalysis of Eosin Y: HAT and complementing MS-CPET strategy to trifluoromethylation of β-ketodithioesters with Langlois' reagent

S Soni, P Pali, MA Ansari, MS Singh - The Journal of Organic …, 2020 - ACS Publications
A metal-and oxidant-free photoinduced strategy for thioxo sulfur-selective
trifluoromethylation of β-ketodithioesters at room temperature is reported. Excellent Z/E …

β-Ketothioamides: efficient reagents in the synthesis of heterocycles

WS Guo, LR Wen, M Li - Organic & Biomolecular Chemistry, 2015 - pubs.rsc.org
β-Ketothioamides (KTAs) are versatile building blocks for the rapid construction of various
heterocyclic compounds. In the past decade, a number of successful reactions based on …

Metal-and Catalyst-Free, Formal [4+ 1] Annulation via Tandem C O/C S Functionalization: One-Pot Access to 3, 5-Disubstituted/Annulated Isothiazoles

G Shukla, A Srivastava, MS Singh - Organic letters, 2016 - ACS Publications
An operationally simple and user-friendly new protocol for the synthesis of 3, 5-disubstituted/
annulated isothiazoles is devised utilizing β-ketodithioesters/β-ketothioamides and NH4OAc …

Theophylline as the catalyst for the diastereoselective synthesis of trans-1, 2-dihydrobenzo [a] furo [2, 3-c] phenazines in water

A Yazdani-Elah-Abadi, R Mohebat, MT Maghsoodlou - RSC advances, 2016 - pubs.rsc.org
An efficient, convenient and environmentally benign procedure for the synthesis of novel 1, 2-
dihydrobenzo [a] furo [2, 3-c] phenazine derivatives with high diastereoselectivity has been …

Synthesis of disulfides tethered pyrroles from β-ketothioamides via a bicyclization/ring-opening/oxidative coupling reaction

CX Li, RJ Liu, K Yin, LR Wen, M Li - Organic & Biomolecular Chemistry, 2017 - pubs.rsc.org
A DABCO-promoted three-component reaction of β-ketothioamides (KTAs), arylglyoxals and
2-cyanoacetates to construct disulfides tethered pyrroles by using air as an oxidant has …

Reagent‐Controlled Chemodivergent Approach to Thiazolines and Thiazines from α‐N‐Hydroxyimino Dithioesters

S Ray, S Singh, G Kumar, G Shukla… - Advanced Synthesis …, 2022 - Wiley Online Library
A chemoselective route to thiazolines and thiazines has been devised by heterocyclization
of viable α‐N‐hydroxyimino‐β‐oxodithioesters with 2‐chloroethylamine hydrochloride/3 …