Synthesis 2023; 55(17): 2757-2772
DOI: 10.1055/s-0042-1751458
paper
Special Issue Honoring Prof. Guoqiang Lin’s Contributions to Organic Chemistry

Divergent Synthesis of Isochroman-4-ols, 1,3-Dihydroisobenzo­furans, and Tetrahydro-2H-indeno[2,1-b]furan-2-ones via Epoxidation/Cyclization Strategy of (E)-(2-Stilbenyl/Styrenyl)methanols

Jira Jongcharoenkamol
a   Program in Chemical Sciences, Chulabhorn Graduate Institute, 906 Kamphaeng Phet 6 Road, Laksi, Bangkok, Thailand 10210, Thailand
b   Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok, Thailand 10210, Thailand
c   Department of Pharmaceutical Chemistry and Pharmacognosy, Faculty of Pharmaceutical Sciences, Naresuan University, Phitsanulok, Thailand 65000, Thailand
,
Kitsana Jancharoen
b   Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok, Thailand 10210, Thailand
,
Paratchata Batsomboon
b   Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok, Thailand 10210, Thailand
,
Somsak Ruchirawat
a   Program in Chemical Sciences, Chulabhorn Graduate Institute, 906 Kamphaeng Phet 6 Road, Laksi, Bangkok, Thailand 10210, Thailand
b   Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok, Thailand 10210, Thailand
d   Center of Excellence on Environmental Health and Toxicology, Office of the Permanent Secretary (OPS), Ministry of Higher Education, Science, Research and Innovation (MHESI), Bangkok, Thailand 10400, Thailand
,
Poonsakdi Ploypradith
a   Program in Chemical Sciences, Chulabhorn Graduate Institute, 906 Kamphaeng Phet 6 Road, Laksi, Bangkok, Thailand 10210, Thailand
b   Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6 Road, Laksi, Bangkok, Thailand 10210, Thailand
d   Center of Excellence on Environmental Health and Toxicology, Office of the Permanent Secretary (OPS), Ministry of Higher Education, Science, Research and Innovation (MHESI), Bangkok, Thailand 10400, Thailand
› Author Affiliations
This research project is supported by the Thailand Science Research and Innovation (TSRI), TSRI-Chulabhorn Research Institute (Grant No. 36824/4274394 and 36827/4274407), the TSRI-Chulabhorn Graduate Institute, Chulabhorn Royal Academy (FRB660044/0240 Project Code 180874), and by a grant from the Center of Excellence on Environmental Health and Toxicology (EHT), OPS, MHESI.


Abstract

Starting from (E)-(2-stilbenyl/styrenyl)methanols, two distinct scaffolds, namely isochroman-4-ols and 1,3-dihydroisobenzofurans (phthalans), could be synthesized via an epoxidation/cyclization strategy. Indenes, readily accessible from the same starting materials, could undergo epoxidation/ring-opening/cyclization to provide tetrahydro-2H-indeno[2,1-b]furan-2-ones. Stilbene/styrene/indene epoxidation by m-CPBA or DMDO converted the nucleophilic olefin into the electrophilic epoxide, which subsequently underwent the regioselective ring-opening either by the hydroxy or the ester group to furnish the corresponding products with stereocontrol at the newly formed stereogenic centers. The reaction proceeded under substrate control to yield each product type exclusively.

Supporting Information



Publication History

Received: 28 February 2023

Accepted after revision: 04 May 2023

Article published online:
01 June 2023

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