<HashMap><database>biostudies-literature</database><scores/><additional><submitter>Yang D</submitter><funding>NIGMS NIH HHS</funding><pagination>2144-2147</pagination><full_dataset_link>https://www.ebi.ac.uk/biostudies/studies/S-EPMC3110011</full_dataset_link><repository>biostudies-literature</repository><omics_type>Unknown</omics_type><volume>52(17)</volume><pubmed_abstract>Regioselective titanium alkoxide-mediated reductive cross-coupling reactions of allylic alcohols with vinylsilanes and imines have previously been demonstrated to proceed with allylic transposition by formal metallo-[3,3]-rearrangement [thought to proceed by a sequence of: 1) directed carbometalation, and 2) syn-elimination]. While many examples have been described that support this reaction path, a collection of substrates have recently been identified that react by way of an alternative pathway, delivering a concise convergent route to coupled products bearing a quaternary center.</pubmed_abstract><journal>Tetrahedron letters</journal><pubmed_title>Generation of quaternary centers by reductive cross-coupling: shifting of regioselectivity in a subset of allylic alcohol-based coupling reactions.</pubmed_title><pmcid>PMC3110011</pmcid><funding_grant_id>R01 GM080266</funding_grant_id><funding_grant_id>R01 GM080266-05</funding_grant_id><pubmed_authors>Micalizio GC</pubmed_authors><pubmed_authors>Belardi JK</pubmed_authors><pubmed_authors>Yang D</pubmed_authors></additional><is_claimable>false</is_claimable><name>Generation of quaternary centers by reductive cross-coupling: shifting of regioselectivity in a subset of allylic alcohol-based coupling reactions.</name><description>Regioselective titanium alkoxide-mediated reductive cross-coupling reactions of allylic alcohols with vinylsilanes and imines have previously been demonstrated to proceed with allylic transposition by formal metallo-[3,3]-rearrangement [thought to proceed by a sequence of: 1) directed carbometalation, and 2) syn-elimination]. While many examples have been described that support this reaction path, a collection of substrates have recently been identified that react by way of an alternative pathway, delivering a concise convergent route to coupled products bearing a quaternary center.</description><dates><release>2011-01-01T00:00:00Z</release><publication>2011 Apr</publication><modification>2024-10-18T00:58:47.597Z</modification><creation>2019-03-27T00:42:21Z</creation></dates><accession>S-EPMC3110011</accession><cross_references><pubmed>21666832</pubmed><doi>10.1016/j.tetlet.2010.11.059</doi></cross_references></HashMap>