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Palladium-Catalyzed Enantioselective Intermolecular Coupling of Phenols and Allylic Alcohols
An enantioselective intermolecular coupling of oxygen nucleophiles and allylic alcohols to give β-aryloxycarbonyl compounds is disclosed using a chiral pyridine oxazoline-ligated palladium catalyst under mild conditions. As opposed to the formation of traditional Wacker-type products, enantioselecti...
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Published in: | Journal of the American Chemical Society 2016-12, Vol.138 (49), p.15881-15884 |
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container_end_page | 15884 |
container_issue | 49 |
container_start_page | 15881 |
container_title | Journal of the American Chemical Society |
container_volume | 138 |
creator | Race, Nicholas J Schwalm, Cristiane S Nakamuro, Takayuki Sigman, Matthew S |
description | An enantioselective intermolecular coupling of oxygen nucleophiles and allylic alcohols to give β-aryloxycarbonyl compounds is disclosed using a chiral pyridine oxazoline-ligated palladium catalyst under mild conditions. As opposed to the formation of traditional Wacker-type products, enantioselective migratory insertion is followed by β-hydride elimination toward the adjacent alcohol. Deuterium labeling experiments suggest a syn-migratory insertion of the alkene into the Pd–O bond. A broad scope of phenols, various allylic alcohols, and an alkyl hydroperoxide are viable coupling partners in this process. |
doi_str_mv | 10.1021/jacs.6b11486 |
format | article |
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As opposed to the formation of traditional Wacker-type products, enantioselective migratory insertion is followed by β-hydride elimination toward the adjacent alcohol. Deuterium labeling experiments suggest a syn-migratory insertion of the alkene into the Pd–O bond. 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Am. Chem. Soc</addtitle><description>An enantioselective intermolecular coupling of oxygen nucleophiles and allylic alcohols to give β-aryloxycarbonyl compounds is disclosed using a chiral pyridine oxazoline-ligated palladium catalyst under mild conditions. As opposed to the formation of traditional Wacker-type products, enantioselective migratory insertion is followed by β-hydride elimination toward the adjacent alcohol. Deuterium labeling experiments suggest a syn-migratory insertion of the alkene into the Pd–O bond. A broad scope of phenols, various allylic alcohols, and an alkyl hydroperoxide are viable coupling partners in this process.</description><subject>Catalysis</subject><subject>Molecular Structure</subject><subject>Palladium - chemistry</subject><subject>Phenols - chemical synthesis</subject><subject>Phenols - chemistry</subject><subject>Propanols - chemical synthesis</subject><subject>Propanols - chemistry</subject><subject>Stereoisomerism</subject><issn>0002-7863</issn><issn>1520-5126</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNptUcFu1DAQtRCILoUbZ5QjB1I8TuKYC1K1KrRSJXqAG5I1sSddrxx7sZNK26_Hqy4tSMxlNDNv3hvNY-wt8DPgAj5u0eQzOQC0Sj5jK-gErzsQ8jlbcc5F3SvZnLBXOW9L2QoFL9mJ6D9J3oBcsZ836D1at0z1Gmf0-3uy1UXAMLuYyZOZ3R1VV2GmNMVSLh5TtY7LzrtwW8WxutlQiD5XGGx17v3eO1OyiZvSfM1ejOgzvTnmU_bjy8X39WV9_e3r1fr8usZWNXMt0BjRwwiWJEeSQjUKW0Mg2kGMxhBXQzdIa4fRGt7Z1rTQNKZDYcGUaE7Z5wfe3TJMZA2FOaHXu-QmTHsd0el_J8Ft9G280x0o3naiELw_EqT4a6E868llQ-UzgeKSNahOyB6g7wv0wwPUpJhzovFRBrg-GKIPhuijIQX-7u_THsF_HHiSPmxt45JC-dT_uX4DqkKX9A</recordid><startdate>20161214</startdate><enddate>20161214</enddate><creator>Race, Nicholas J</creator><creator>Schwalm, Cristiane S</creator><creator>Nakamuro, Takayuki</creator><creator>Sigman, Matthew S</creator><general>American Chemical Society</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-5746-8830</orcidid></search><sort><creationdate>20161214</creationdate><title>Palladium-Catalyzed Enantioselective Intermolecular Coupling of Phenols and Allylic Alcohols</title><author>Race, Nicholas J ; Schwalm, Cristiane S ; Nakamuro, Takayuki ; Sigman, Matthew S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a483t-2acc271f1de60ae62838a4ce124b2fcce08b5b6ddbfdc05d4c4133c5a2d1cccc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Catalysis</topic><topic>Molecular Structure</topic><topic>Palladium - chemistry</topic><topic>Phenols - chemical synthesis</topic><topic>Phenols - chemistry</topic><topic>Propanols - chemical synthesis</topic><topic>Propanols - chemistry</topic><topic>Stereoisomerism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Race, Nicholas J</creatorcontrib><creatorcontrib>Schwalm, Cristiane S</creatorcontrib><creatorcontrib>Nakamuro, Takayuki</creatorcontrib><creatorcontrib>Sigman, Matthew S</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Journal of the American Chemical Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Race, Nicholas J</au><au>Schwalm, Cristiane S</au><au>Nakamuro, Takayuki</au><au>Sigman, Matthew S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Palladium-Catalyzed Enantioselective Intermolecular Coupling of Phenols and Allylic Alcohols</atitle><jtitle>Journal of the American Chemical Society</jtitle><addtitle>J. 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source | American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list) |
subjects | Catalysis Molecular Structure Palladium - chemistry Phenols - chemical synthesis Phenols - chemistry Propanols - chemical synthesis Propanols - chemistry Stereoisomerism |
title | Palladium-Catalyzed Enantioselective Intermolecular Coupling of Phenols and Allylic Alcohols |
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