Evidence map›Paper›PMID 30020777›Full record

ArticleJournal of the American Chemical Society2018

Selection between Diastereomeric Kinetic vs Thermodynamic Carbonyl Binding Modes Enables Enantioselective Iridium-Catalyzed anti-(α-Aryl)allylation of Aqueous Fluoral Hydrate and Difluoroacetaldehyde Ethyl Hemiacetal.

James M Cabrera, Johannes Tauber, Wandi Zhang, Ming Xiang, Michael J Krische

Abstract read
In one paragraph

Article in Journal of the American Chemical Society, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

6 citing papers in PubMed.

  1. Review
  2. Review
  3. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

James M CabreraDepartment of Chemistry , University of Texas at Austin , Austin , Texas 78712 , United States.
Johannes TauberDepartment of Chemistry , University of Texas at Austin , Austin , Texas 78712 , United States.
Wandi ZhangDepartment of Chemistry , University of Texas at Austin , Austin , Texas 78712 , United States.
Ming XiangDepartment of Chemistry , University of Texas at Austin , Austin , Texas 78712 , United States.
Michael J KrischeDepartment of Chemistry , University of Texas at Austin , Austin , Texas 78712 , United States.ORCID 0000-0001-8418-9709

Funding

Substituted Piperidine Formation via C-C Bond Forming Transfer HydrogenationR01GM069445 · NIGMS · UNIVERSITY OF TEXAS AUSTIN · PI KRISCHE, MICHAEL J · 2005 to 2024
$6.7M
NIGMS NIH HHS R01 GM069445
6 · The paper itself

Abstract

Enantioselectivity increases with increasing carbonyl electrophilicity in 2-propanol-mediated reductive couplings of aldehydes with branched aryl-substituted allylic acetates to form products of carbonyl anti-(α-aryl)allylation. This unusual phenomenon is caused by aldehyde coordination to diastereomeric kinetic vs thermodynamic carbonyl binding sites that deliver enantiomeric products. Exploiting this effect, anti-diastereo- and enantioselective (α-aryl)allylations of fluoral hydrate and difluoroacetaldehyde ethyl hemiacetal were developed.

Indexed as

2-PropanolAcetaldehydeAcetalsAcetatesAllyl CompoundsAtropine DerivativesCatalysisIridiumKineticsOxidation-ReductionStereoisomerismThermodynamics2-PropanolAcetaldehydeAcetalsAcetatesAllyl CompoundsAtropine DerivativesIridiumtrifluoroacetaldehyde hydrate

Identifiers

PMID30020777
PMCPMC6206506

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.