Alkynyl Thioethers in Gold-Catalyzed Annulations To Form Oxazoles.
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ABSTRACT: Non-oxidative, regioselective, and convergent access to densely functionalized oxazoles is realized in a functional-group tolerant manner using alkynyl thioethers. Sulfur-terminated alkynes provide access to reactivity previously requiring strong donor-substituted alkynes such as ynamides. Sulfur does not act in an analogous donor fashion in this gold-catalyzed reaction, thus leading to complementary regioselective outcomes and addressing the limitations of using ynamides.
SUBMITTER: Reddy RJ
PROVIDER: S-EPMC5656920 | biostudies-literature |
REPOSITORIES: biostudies-literature
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