ArticleOrganic letters2012
Diastereo- and enantioselective synthesis of (E)-2-Methyl-1,2-syn- and (E)-2-Methyl-1,2-anti-3-pentenediols via allenylboronate kinetic resolution with ((d)Ipc)2BH and aldehyde allylboration.
Article in Organic letters, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Electrochemical synthesis of allenyl silanes and allenyl boronic esters.Nature communications · 2025Article
- Iron-Catalyzed Borylation of Propargylic Acetates for the Synthesis of Multisubstituted Allenylboronates.Chemistry (Weinheim an der Bergstrasse, Germany) · 2023Article
- α-Silicon effect assisted Curtin-Hammett allylation using allylcopper reagents derived from 1,3-dienylsilanes.Chemical science · 2019Article
- Article
- Article
- Enantioselective synthesis of (Z)- and (E)-2-methyl-1,5-anti-pentenediols via an allene hydroboration-double-allylboration reaction sequence.Journal of the American Chemical Society · 2013Article
- Chiral Brønsted acid catalyzed enantioselective synthesis of anti-homopropargyl alcohols via kinetic resolution-aldehyde allenylboration using racemic allenylboronates.Organic letters · 2013Article
- Enantioselective synthesis of (E)-δ-silyl-anti-homoallylic alcohols via an enantiodivergent hydroboration-crotylboration reaction of a racemic allenylsilane.Organic letters · 2013Article
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Authors and funding
3 authors.
Funding
Abstract
Enantioselective hydroboration of racemic allenylboronate (±)-1 with 0.48 equiv of ((d)Ipc)(2)BH at -25 °C proceeds with efficient kinetic resolution and provides allylborane (R)-Z-4. When heated to 95 °C, allylborane (R)-Z-4 isomerizes to the thermodynamically more stable allylborane isomer (S)-E-7. Subsequent allylboration of aldehydes with (R)-Z-4 or (S)-E-7 at -78 °C followed by oxidative workup provides 1,2-syn- or 1,2-anti-diols, 2 or 3, respectively, in 87-94% ee.
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