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Enantiospecific Synthesis of ortho-Substituted 1,1-Diarylalkanes by a 1,2-Metalate Rearrangement/anti-S_N 2' Elimination/Rearomatizing Allylic Suzuki-Miyaura Reaction Sequence.

ABSTRACT: The one-pot sequential coupling of benzylamines, boronic esters, and aryl iodides has been investigated. In the presence of an N-activator, the boronate complex formed from an ortho-lithiated benzylamine and a boronic ester undergoes stereospecific 1,2-metalate rearrangement/anti-S_N 2' elimination to form a dearomatized tertiary boronic ester. Treatment with an aryl iodide under palladium catalysis leads to rearomatizing γ-selective allylic Suzuki-Miyaura cross-coupling to generate 1,1-diarylalkanes. When enantioenriched α-substituted benzylamines are employed, the corresponding 1,1-diarylalkanes are formed with high stereospecificity.

SUBMITTER: Rubial B

PROVIDER: S-EPMC6391954 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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Dataset Information

Enantiospecific Synthesis of ortho-Substituted 1,1-Diarylalkanes by a 1,2-Metalate Rearrangement/anti-S_N 2' Elimination/Rearomatizing Allylic Suzuki-Miyaura Reaction Sequence.

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Dataset Information

Enantiospecific Synthesis of ortho-Substituted 1,1-Diarylalkanes by a 1,2-Metalate Rearrangement/anti-SN 2' Elimination/Rearomatizing Allylic Suzuki-Miyaura Reaction Sequence.

OmicsDI is part of the ELIXIR infrastructure

Tweets

Enantiospecific Synthesis of ortho-Substituted 1,1-Diarylalkanes by a 1,2-Metalate Rearrangement/anti-S_N 2' Elimination/Rearomatizing Allylic Suzuki-Miyaura Reaction Sequence.