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Metal-free synthesis of 4-methylthio-3,4-dihydroisocoumarins from 2-(2-arylvinyl)benzoic acids

Chengqun Chen 1
Chengqun Chen
Kexin Ren 1
Kexin Ren
1 Department of Chemical Engineering, Fuzhou University Zhicheng College, 350108 Fuzhou, P. R. China
Published 2026-02-03
CommunicationVolume 36, Issue 2, 183-185
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Chen C., Ren K. Metal-free synthesis of 4-methylthio-3,4-dihydroisocoumarins from 2-(2-arylvinyl)benzoic acids // Mendeleev Communications. 2026. Vol. 36. No. 2. pp. 183-185.
GOST all authors (up to 50) Copy
Chen C., Ren K. Metal-free synthesis of 4-methylthio-3,4-dihydroisocoumarins from 2-(2-arylvinyl)benzoic acids // Mendeleev Communications. 2026. Vol. 36. No. 2. pp. 183-185.
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TY - JOUR
DO - 10.71267/mencom.7917
UR - https://mendcomm.colab.ws/publications/10.71267/mencom.7917
TI - Metal-free synthesis of 4-methylthio-3,4-dihydroisocoumarins from 2-(2-arylvinyl)benzoic acids
T2 - Mendeleev Communications
AU - Chen, Chengqun
AU - Ren, Kexin
PY - 2026
DA - 2026/02/03
PB - Mendeleev Communications
SP - 183-185
IS - 2
VL - 36
ER -
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@article{2026_Chen,
author = {Chengqun Chen and Kexin Ren},
title = {Metal-free synthesis of 4-methylthio-3,4-dihydroisocoumarins from 2-(2-arylvinyl)benzoic acids},
journal = {Mendeleev Communications},
year = {2026},
volume = {36},
publisher = {Mendeleev Communications},
month = {Feb},
url = {https://mendcomm.colab.ws/publications/10.71267/mencom.7917},
number = {2},
pages = {183--185},
doi = {10.71267/mencom.7917}
}
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Chen, Chengqun, and Kexin Ren. “Metal-free synthesis of 4-methylthio-3,4-dihydroisocoumarins from 2-(2-arylvinyl)benzoic acids.” Mendeleev Communications, vol. 36, no. 2, Feb. 2026, pp. 183-185. https://mendcomm.colab.ws/publications/10.71267/mencom.7917.

Keywords

2-(2-arylvinyl)benzoic acid
dihydroisocoumarin
metal-free
methylthio compounds

Abstract

Herein we report a straightforward and efficient procedure for synthesizing 4-methylthio-3,4-dihydroisocoumarins. The method involves reacting 2-(2-arylvinyl)benzoic acids with dimethyl(methylthio)sulfonium trifluoromethanesulfonate under mild, metal-free conditions.

References

1.
Composition and Electrophysiological Activity of Constituents Identified in Male Wing Gland Secretion of the Bumblebee Parasite Aphomia sociella
Kalinová B., Kindl J., Jiroš P., Žáček P., Vašíčková S., Buděšínský M., Valterová I.
Journal of Natural Products, 2008
2.
Isocoumarin Glucosides from the Scale Insect Fungus Torrubiella tenuis BCC 12732
Kornsakulkarn J., Thongpanchang C., Lapanun S., Srichomthong K.
Journal of Natural Products, 2009
3.
Phthalide and Isocoumarin Derivatives Produced by an Acremonium sp. Isolated from a Mangrove Rhizophora apiculata
Rukachaisirikul V., Rodglin A., Sukpondma Y., Phongpaichit S., Buatong J., Sakayaroj J.
Journal of Natural Products, 2012
5.
New type of anti-diabetic compounds from the processed leaves of Hydrangea macrophylla var. thunbergii (Hydrangeae Dulcis Folium)
Zhang H., Matsuda H., Kumahara A., Ito Y., Nakamura S., Yoshikawa M.
Bioorganic and Medicinal Chemistry Letters, 2007
8.
Reactive sulfur species regulate tRNA methylthiolation and contribute to insulin secretion
Takahashi N., Wei F., Watanabe S., Hirayama M., Ohuchi Y., Fujimura A., Kaitsuka T., Ishii I., Sawa T., Nakayama H., Akaike T., Tomizawa K.
Nucleic Acids Research, 2016
9.
Enzymatic Carbon–Sulfur Bond Formation in Natural Product Biosynthesis
Dunbar K.L., Scharf D.H., Litomska A., Hertweck C.
Chemical Reviews, 2017
10.
Visible-Light-Promoted C–S Cross-Coupling via Intermolecular Charge Transfer
Liu B., Lim C., Miyake G.M.
Journal of the American Chemical Society, 2017
12.
Organic Photoredox Catalysis
Romero N.A., Nicewicz D.A.
Chemical Reviews, 2016
13.
Visible-Light Photocatalysis: Does It Make a Difference in Organic Synthesis?
Marzo L., Pagire S.K., Reiser O., König B.
Angewandte Chemie - International Edition, 2018
14.
Energy transfer catalysis mediated by visible light: principles, applications, directions.
Strieth-Kalthoff F., James M.J., Teders M., Pitzer L., Glorius F.
Chemical Society Reviews, 2018
15.
Radical approaches to C–S bonds
Wu Z., Pratt D.A.
Nature Reviews Chemistry, 2023
16.
The energy-transfer-enabled biocompatible disulfide–ene reaction
Teders M., Henkel C., Anhäuser L., Strieth-Kalthoff F., Gómez-Suárez A., Kleinmans R., Kahnt A., Rentmeister A., Guldi D., Glorius F.
Nature Chemistry, 2018
18.
Diselenide- and Disulfide-Mediated Synthesis of Isocoumarins
Shahzad S.A., Venin C., Wirth T.
European Journal of Organic Chemistry, 2010
20.
The Addition of Dialkylalkylthiosulfonium Salts to Alkenes1
Helmkamp G.K., Olsen B.A., Pettitt D.J.
Journal of Organic Chemistry, 1965
21.
Kinetics of sulfur-sulfur bond cleavage in methylated methyl disulfide by nuclear magnetic resonance
Smallcombe S.H., Caserio M.C.
Journal of the American Chemical Society, 1971
22.
Methylthiolation of 2,3-bis(methylthio)butanes
Anderson S.A., Kim J.K., Caserio M.C.
Journal of Organic Chemistry, 1978
23.
REACTIONS OF DIMETHYLMETHYLTHIOSULFONIUM FLUOROBORATE WITH SOME NUCLEOPHILES
27.
Dimethyl(methylthio)sulfonium fluoroborate induced cyclization of dithioacetals upon 2,3-disubstituted indoles
Amat M., Alvarez M., Bonjoch J., Casamitjana N., Gràcia J., Lavilla R., Garcías X., Bosch J.
Tetrahedron Letters, 1990
28.
Transition metal-free formal hydro/deuteromethylthiolation of unactivated alkenes
Chen S., Wang J., Xie L.
Organic and Biomolecular Chemistry, 2021
33.
The Baldwin rules: revised and extended
Gilmore K., Mohamed R.K., Alabugin I.V.
Wiley Interdisciplinary Reviews: Computational Molecular Science, 2016
34.
Episulfonium ions: myth and reality
Smit V.A., Zefirov N.S., Bodrikov I.V., Krimer M.Z.
Accounts of Chemical Research, 1979