DABSO as a SO 2 gas surrogate in the synthesis of organic structures

MS Hashtroudi, VF Vavsari, S Balalaie - Organic & Biomolecular …, 2022 - pubs.rsc.org
1, 4-Diazabicyclo [2.2. 2] octane bis (sulfur dioxide), DABCO· SO2, or DABSO, a bench-
stable colorless solid, is industrially produced by the reaction of DABCO with condensed …

Copper-Catalyzed 1, 4-Trifluoromethylthio-Arylsulfonylation of 1, 3-Enynes via the Insertion of Sulfur Dioxide

H Song, X Zhang, G Chen, X He, Z Lian - Organic Letters, 2023 - ACS Publications
A copper-catalyzed trifluoromethylthio-arylsulfonylation between 1, 3-enynes, AgSCF3,
aryldiazonium tetrafluoroborates, and SO2 (from SOgen) is presented, which could …

Recent advances in the palladium-catalyzed sulfonylation via SO2 insertion

YJ Zhang, ML Li, HX Hu, F Teng - Organic & Biomolecular Chemistry, 2024 - pubs.rsc.org
The importance of sulfonyl-group-containing compounds, such as sulfonamides, sulfones,
sulfinate esters, and sulfonyl fluorides, in pharmaceuticals, bioactive molecules, and natural …

Palladium-Catalyzed Synthesis of Linked Bis-Heterocycles─ Synthesis and Investigation of Photophysical Properties

R Arora, B Mirabi, AG Durant… - Journal of the …, 2023 - ACS Publications
A palladium-catalyzed domino C–N coupling/Cacchi reaction is reported. Design of
photoluminescent bis-heterocycles, aided by density functional theory calculations, was …

DABSO–a reagent to revolutionize organosulfur chemistry

JA Andrews, MC Willis - Synthesis, 2022 - thieme-connect.com
The introduction of easy-to-handle SO 2 surrogates has transformed the field of sulfur
chemistry, enabling methodologies utilizing SO 2 to be carried out without specialized …

Accessing Unsymmetrically Linked Heterocycles through Stereoselective Palladium‐Catalyzed Domino Cyclization

R Arora, JF Rodríguez, A Whyte… - Angewandte …, 2022 - Wiley Online Library
A palladium‐catalyzed strategy is presented to synthesize unsymmetrically linked
heterocycles within stereoselective tetrasubstituted olefins. This reaction is proposed to …

Ni-Catalyzed Oxygen Transfer from N2O onto sp3-Hybridized Carbons

S Ni, FL Vaillant, A Mateos-Calbet… - Journal of the …, 2022 - ACS Publications
Herein we disclose a catalytic synthesis of cycloalkanols that harnesses the potential of N2O
as an oxygen transfer agent onto sp3-hybridized carbons. The protocol is distinguished by …

A palladium-catalyzed cross-electrophile coupling reaction involving sulfur dioxide for the direct synthesis of diversely functionalized sulfones

B Xiong, J Zhang, T Wang, X Zhang… - Organic Chemistry …, 2023 - pubs.rsc.org
A palladium catalyzed multicomponent cross-electrophile coupling involving sulfur dioxide
under metal-reductant free conditions is presented here. Both aryl-alkyl and alkyl-alkyl …

Mn(OAc)3-Promoted Sulfonation-Cyclization Cascade via the SO3 Radical: The Synthesis of Heterocyclic Sulfonates

B Han, X Ding, Y Zhang, X Gu, Y Qi, S Liang - Organic Letters, 2022 - ACS Publications
Herein we reported a Mn (OAc) 3· 2H2O promoted radical sulfonation from functionalized
alkenes and potassium metabisulfite (K2S2O5). The reaction realized the construction of …

Copper (I)-catalyzed interrupted click/radical relay: A four-component modular synthesis of triazole sulfones

P Sun, F Wei, CH Tung, Z Xu - Chinese Chemical Letters, 2024 - Elsevier
A new, four component copper (I)-catalyzed interrupted click/radical relay cascade has been
developed. This unprecedented interrupted click reaction provides a rapid modular …