Synthesis of Highly Congested Tertiary Alcohols via the [3,3] Radical Deconstruction of Breslow Intermediates.
Synthesis of Highly Congested Tertiary Alcohols via the [3,3] Radical Deconstruction of Breslow Intermediates.
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DOI:
10.1021/acs.orglett.2c01627
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发表时间:
2022-06-17
期刊:
影响因子:
5.2
通讯作者:
Lindsay, Vincent N. G.
中科院分区:
文献类型:
--
作者:
Rivera, Roger Machin;Burton, Nikolas R.;Call, Luke D.;Tomat, Marshall A.;Lindsay, Vincent N. G.
Pericyclic processes such as [3,3]-sigmatropic rearrangements leading to the rapid generation of molecular complexity constitute highly valuable tools in organic synthesis. Herein, we report the formation of particularly hindered tertiary alcohols via rearrangement of Breslow intermediates formed in situ from readily available N-allyl thiazolium salts and benzaldehyde derivatives. Experimental mechanistic studies performed suggest that the reaction proceeds via a close radical pair which recombine in a regio- and diastereoselective manner, formally leading to [3,3]-rearranged products.
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