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One-pot palladium-catalyzed synthesis of sulfonyl fluorides from aryl bromides

Abstract:
A mild, efficient synthesis of sulfonyl fluorides from aryl and heteroaryl bromides utilizing palladium catalysis is described. The process involves the initial palladium catalyzed sulfonylation of aryl bromides using DABSO as an SO2 source, followed by in situ treatment of the resultant sulfinate with the electrophilic fluorine source NFSI. This sequence represents the first general method for the sulfonylation of aryl bromides, and offers a practical, one-pot alternative to previously described syntheses of sulfonyl fluorides, allowing rapid access to these biologically important molecules. Excellent functional group tolerance is demonstrated, with the transformation succesfully achieved on a number of active pharmaceutical ingredients, and their precursors. The preparation of peptide-derived sulfonyl fluorides is also demonstrated.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1039/C6SC03924C

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Organic Chemistry
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Organic Chemistry
Role:
Author


Publisher:
Royal Society of Chemistry
Journal:
Chemical Science More from this journal
Publication date:
2016-10-01
Acceptance date:
2016-10-02
DOI:
ISSN:
2041-6539


Pubs id:
pubs:647881
UUID:
uuid:84a8c85d-2e17-4e3b-9617-f28b863d31dc
Local pid:
pubs:647881
Source identifiers:
647881
Deposit date:
2016-10-04

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