(Q35023347)

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A systematic investigation of quaternary ammonium ions as asymmetric phase-transfer catalysts. Synthesis of catalyst libraries and evaluation of catalyst activity

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scholarly article

1 reference

Europe PubMed Central

PubMed publication ID

5 August 2017

A systematic investigation of quaternary ammonium ions as asymmetric phase-transfer catalysts. Synthesis of catalyst libraries and evaluation of catalyst activity (English)

1 reference

Europe PubMed Central

PubMed publication ID

5 August 2017

author name string

Scott E Denmark

1

1 reference

Europe PubMed Central

PubMed publication ID

5 August 2017

Nathan D Gould

2

1 reference

Europe PubMed Central

PubMed publication ID

5 August 2017

Larry M Wolf

3

1 reference

Europe PubMed Central

PubMed publication ID

5 August 2017

language of work or name

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publication date

6 May 2011

1 reference

Europe PubMed Central

PubMed publication ID

5 August 2017

Journal of Organic Chemistry

1 reference

Europe PubMed Central

PubMed publication ID

5 August 2017

76

1 reference

Europe PubMed Central

PubMed publication ID

5 August 2017

11

1 reference

Europe PubMed Central

PubMed publication ID

5 August 2017

4260-4336

1 reference

Europe PubMed Central

PubMed publication ID

5 August 2017

Asymmetric alkyl-alkyl cross-couplings of unactivated secondary alkyl electrophiles: stereoconvergent Suzuki reactions of racemic acylated halohydrins

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

8 July 2018

Asymmetric Suzuki cross-couplings of activated secondary alkyl electrophiles: arylations of racemic alpha-chloroamides

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

8 July 2018

Nickel/bis(oxazoline)-catalyzed asymmetric Kumada reactions of alkyl electrophiles: cross-couplings of racemic alpha-bromoketones

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

8 July 2018

Palladium-catalyzed enantioselective alpha-arylation and alpha-vinylation of oxindoles facilitated by an axially chiral P-stereogenic ligand

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

8 July 2018

Enantioselective organo-singly occupied molecular orbital catalysis: the carbo-oxidation of styrenes

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

8 July 2018

Recent development and application of chiral phase-transfer catalysts

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

8 July 2018

Recent advances in asymmetric phase-transfer catalysis.

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

8 July 2018

Enantioselective organocatalytic singly occupied molecular orbital activation: the enantioselective alpha-enolation of aldehydes

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

8 July 2018

Lithium diisopropylamide: solution kinetics and implications for organic synthesis

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

8 July 2018

Ni(II) Tol-BINAP-catalyzed enantioselective orthoester alkylations of N-acylthiazolidinethiones

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

8 July 2018

Enantio- and diastereoselective catalytic Mannich-type reaction of a glycine schiff base using a chiral two-center phase-transfer catalyst.

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

8 July 2018

Continuous chirality measures in transition metal chemistry

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

8 July 2018

Asymmetric phase-transfer catalysis utilizing chiral quaternary ammonium salts: asymmetric alkylation of glycine imines

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

8 July 2018

Catalytic asymmetric intramolecular alpha-alkylation of aldehydes

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

8 July 2018

Palladium-Catalyzed α-Arylation of Carbonyl Compounds and Nitriles

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

8 July 2018

Asymmetric Transition Metal-Catalyzed Allylic Alkylations

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

8 July 2018

Examination of the role of Taft-type steric parameters in asymmetric catalysis

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

25 October 2018

Enantioselective alpha-arylation of aldehydes via organo-SOMO catalysis. An ortho-selective arylation reaction based on an open-shell pathway

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

25 October 2018

Enantioselective syntheses of aeruginosin 298-A and its analogues using a catalytic asymmetric phase-transfer reaction and epoxidation

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

25 October 2018

Highly enantioselective epoxidation of 2,4-diarylenones by using dimeric cinchona phase-transfer catalysts: enhancement of enantioselectivity by surfactants

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

25 October 2018

Enantioselective alkylations of tributyltin enolates catalyzed by Cr(salen)Cl: access to enantiomerically enriched all-carbon quaternary centers.

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

25 October 2018

Quantitative chirality analysis of molecular subunits of bis(oxazoline)copper(II) complexes in relation to their enantioselective catalytic activity.

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

25 October 2018

Enantioselective amino acid synthesis by chiral phase-transfer catalysis.

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

25 October 2018

Design of N-spiro C2-symmetric chiral quaternary ammonium bromides as novel chiral phase-transfer catalysts: synthesis and application to practical asymmetric synthesis of alpha-amino acids.

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

25 October 2018

Computer-aided design of chiral ligands. Part 2. Functionality mapping as a method to identify stereocontrol elements for asymmetric reactions

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

25 October 2018

An unusual electronic effect of an aromatic-F in phase-transfer catalysts derived from cinchona-alkaloid.

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

25 October 2018

Magnitudes and chemical consequences of R(3)N(+)-C-H...O[double bond]C hydrogen bonding

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3107728

25 October 2018

Palladium-catalyzed alpha-arylation of aldehydes with bromo- and chloroarenes catalyzed by [{Pd(allyl)Cl}2] and dppf or Q-phos

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

The enantioselective synthesis of alpha-amino acids by phase-transfer catalysis with achiral Schiff base esters

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

Enantioselective deprotonation by chiral lithium amide bases: asymmetric synthesis of trimethylsilyl enol ethers from 4-alkylcyclohexanones

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

Asymmetric transition-metal-catalyzed allylic alkylations: applications in total synthesis

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

Enantioselective alkylation of acyclic alpha,alpha-disubstituted tributyltin enolates catalyzed by a {Cr(salen)} complex

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

Chiral counteranions in asymmetric transition-metal catalysis: highly enantioselective Pd/Brønsted acid-catalyzed direct alpha-allylation of aldehydes

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

Asymmetric organocatalysis of structurally well-defined chiral quaternary ammonium fluorides

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

Quantum mechanical models correlating structure with selectivity: predicting the enantioselectivity of beta-amino alcohol catalysts in aldehyde alkylation

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

NMR Structure Determination of Ion Pairs Derived from Quinine: A Model for Templating in Asymmetric Phase-Transfer Reductions by BH(4)(-) with Implications for Rational Design of Phase-Transfer Catalysts

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

Tandem [4+2]/[3+2] Cycloadditions of Nitroalkenes

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

C(2)-symmetric chiral pentacyclic guanidine: a phase-transfer catalyst for the asymmetric alkylation of tert-butyl glycinate Schiff base

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

New, chiral phase transfer catalysts for effecting asymmetric conjugate additions of alpha-alkyl-alpha-cyanoacetates to acetylenic esters

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

Stereocartography: a computational mapping technique that can locate regions of maximum stereoinduction around chiral catalysts

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

Enantioselective organo-SOMO catalysis: the alpha-vinylation of aldehydes

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

Tandem Cycloaddition Chemistry of Nitroalkenes: Probing the Remarkable Stereochemical Influence of the Lewis Acid

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

Metal-catalyzed enantioselective allylation in asymmetric synthesis

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

New quantum mechanics-based three-dimensional molecular descriptors for use in QSSR approaches: application to asymmetric catalysis

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

1,2-Amino Alcohols and Their Heterocyclic Derivatives as Chiral Auxiliaries in Asymmetric Synthesis

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

Design of chiral organocatalysts for practical asymmetric synthesis of amino acid derivatives

1 reference

https://pubmed.ncbi.nlm.nih.gov/21446721

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

The stereoselective synthesis of .alpha.-amino acids by phase-transfer catalysis

1 reference

19 October 2022

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Highly Enantioselective Phase Transfer Catalyzed Alkylation of a 3-Oxygenated Propionic Ester Equivalent; Applications and Mechanism

1 reference

19 October 2022

https://opencitations.net/index/coci/api/v1/citations/10.1021/JA9835739

A Rational Approach to Catalytic Enantioselective Enolate Alkylation Using a Structurally Rigidified and Defined Chiral Quaternary Ammonium Salt under Phase Transfer Conditions

1 reference

19 October 2022

https://opencitations.net/index/coci/api/v1/citations/10.1021/JA973174Y

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10.1021/JO2005445

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Europe PubMed Central

PubMed publication ID

5 August 2017

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Europe PubMed Central

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5 August 2017

PubMed publication ID

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Europe PubMed Central

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5 August 2017

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