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brønsted acids (7) 7
chemistry, multidisciplinary (6) 6
chemistry, organic (6) 6
diastereoselective syntheses, enantioselective syntheses (6) 6
organocatalysis (6) 6
bronsted acids (5) 5
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friedel-crafts alkylation (3) 3
index medicus (3) 3
ketones (3) 3
nazarov cyclization (3) 3
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alcohols (2) 2
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michael addition (2) 2
n-acyliminium ions (2) 2
pyran derivatives (2) 2
reaction mechanisms (2) 2
rearrangement (2) 2
reduction (2) 2
scandium (2) 2
supersubstituent =nso2cf3 (2) 2
tandem nazarov cyclization (2) 2
1,1-difluoro-1-alkenes (1) 1
1,3-dipolar cycloaddition (1) 1
3-benzazepine (1) 1
acetates - chemistry (1) 1
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Bioorganic & Medicinal Chemistry, ISSN 0968-0896, 06/2017, Volume 25, Issue 11, pp. 2856 - 2867
The transition metal-free intramolecular regioselective domino cyclization of -Boc protected ynamides has been developed to provide the corresponding... 
Ynamide | Oxazol-2(3H)-one | Hypervalent iodine | Domino cyclization | Tetrahydroisoquinoline | Index Medicus
Journal Article
Bioorganic & Medicinal Chemistry, ISSN 0968-0896, 06/2017, Volume 25, Issue 11, p. 2856
To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link: http://dx.doi.org/10.1016/j.bmc.2017.03.034 The... 
Transition metal compounds | Methods
Journal Article
Bioorganic & medicinal chemistry, ISSN 0968-0896, 06/2017, Volume 25, Issue 11, pp. 2856 - 2867
The transition metal-free intramolecular regioselective domino cyclization of N-Boc protected ynamides has been developed to provide the corresponding... 
Stereoisomerism | Boranes - chemistry | Acetates - chemistry | Alkynes - chemistry | Oxazoles - chemistry | Ether - chemistry | Isoquinolines - chemistry | Oxazoles - chemical synthesis | Cyclization | Iodobenzenes - chemistry | Isoquinolines - chemical synthesis | Amides - chemistry | Molecular Structure
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 07/2011, Volume 50, Issue 30, pp. 6706 - 6720
Journal Article
HETEROCYCLES, ISSN 0385-5414, 04/2019, Volume 99, Issue 1, pp. 100 - 110
A silver catalyzed-cycloisomerization of N-Boc protected ynamides has been developed under mild reaction conditions to provide a wide range of... 
AMIDATIONS | ALCOHOLS | N-ACYLIMINIUM IONS | ALKYNYL BROMIDES | MORPHINE | RADICAL CYCLIZATION | CHEMISTRY, ORGANIC | ALPHA-AMINO-ACIDS | ALDEHYDES | OXAZOLONES | SYNTHONS
Journal Article
Chemical Communications, ISSN 1359-7345, 11/2011, Volume 47, Issue 41, pp. 11450 - 11452
A highly efficient Bronsted acid catalyzed enantioselective Nazarov cyclization-bromination reaction has been developed. The protocol gives access to highly... 
REARRANGEMENT | HIGHLY ENANTIOSELECTIVE SYNTHESIS | KETONES | TANDEM NAZAROV CYCLIZATION | FRIEDEL-CRAFTS ALKYLATION | CHEMISTRY, MULTIDISCIPLINARY | MICHAEL ADDITION
Journal Article
Chemistry – A European Journal, ISSN 0947-6539, 11/2010, Volume 16, Issue 44, pp. 13116 - 13126
Recently, 1,1′‐bi‐2‐naphthol (BINOL)‐based N‐triflylphosphoramides emerged as a new class of potent Brønsted acid catalysts. In this paper we describe the... 
reaction mechanisms | asymmetric synthesis | calcium | homogeneous catalysis | Brønsted acids | ASYMMETRIC CATALYSIS | ACTIVATION | CHIRAL PHOSPHORIC-ACID | CHEMISTRY, MULTIDISCIPLINARY | DESYMMETRIZATION | BOND DONORS | GAS-PHASE | SUPERSUBSTITUENT =NSO2CF3 | ACETONITRILE | Bronsted acids | Spectroscopy | Synthesis | Calcium | Catalysts | X-rays | Catalysis | Crystal structure
Journal Article
Advanced Synthesis & Catalysis, ISSN 1615-4150, 01/2009, Volume 351, Issue 1‐2, pp. 78 - 84
Journal Article
Chemical Communications, ISSN 1359-7345, 01/2011, Volume 47, Issue 41, pp. 11450 - 11452
A highly efficient Bronsted acid catalyzed enantioselective Nazarov cyclization-bromination reaction has been developed. The protocol gives access to highly... 
Asymmetry | Activation | Derivatives | Carbonyls
Journal Article
Chemistry – An Asian Journal, ISSN 1861-4728, 10/2012, Volume 7, Issue 10, pp. 2361 - 2366
A Brønsted acid‐catalyzed asymmetric Nazarov cyclization of acyclic α‐alkoxy dienones has been developed. The reaction offers access to chiral cyclopentenones... 
organocatalysis | asymmetric synthesis | electrocyclizations | Brønsted acids | Nazarov reaction | Alcohols - chemistry | Cyclopentanes - chemistry | Catalysis | Cyclization | Acids - chemistry | Stereoisomerism
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 03/2007, Volume 46, Issue 12, pp. 2097 - 2100
Low catalyst loadings, high enantioselectivities, mild conditions, and fast reaction times are the important features of the first enantioselective... 
binol phosphate | ion‐pair catalysis | electrocyclization | Brønsted acids | Nazarov cyclization | ACTIVATION | IMINES | QUINOLINES | TRANSFER HYDROGENATION | CHEMISTRY, MULTIDISCIPLINARY | KETONES | MANNICH-TYPE REACTION | DIELS-ALDER REACTION | ion-pair catalysis | Bronsted acids | REDUCTIVE AMINATION
Journal Article
Advanced Synthesis & Catalysis, ISSN 1615-4150, 06/2006, Volume 348, Issue 9, pp. 1033 - 1037
A highly efficient Bi(OTf)3‐catalyzed benzylation of arenes and heteroarenes has been developed. The mild reaction conditions, high yields, operational... 
catalysis | Friedel–Crafts alkylation | diarylmethanes | benzylation | arylation | bismuth | Bismuth | Arylation | Benzylation | Diarylmethanes | Catalysis | Friedel-Crafts alkylation | CRAFTS ALKYLATION REACTIONS | SCANDIUM | CHEMISTRY, ORGANIC | C-H ACTIVATION | AROMATIC-COMPOUNDS | TRIFLATE | ALCOHOLS | CHEMISTRY, APPLIED | HYDROARYLATION | CHLORIDE
Journal Article
Asian Journal of Organic Chemistry, ISSN 2193-5807, 08/2019, Volume 8, Issue 8, pp. 1441 - 1447
An efficient scandium(III)‐triflate‐catalyzed pinacol‐pinacolone rearrangement and cyclization of 1,2‐diaryl‐1,2‐ethanediol has been developed, providing a... 
Lewis acids | scandium | cyclization | rearrangement | carbocations | BENZAZEPINES | ANTAGONIST | PHENETHYLAMINES | 3-BENZAZEPINE | CHEMISTRY, ORGANIC | DISCOVERY | RENAL VASODILATOR | LORCASERIN | FACILE SYNTHESIS | CONFORMATIONALLY RESTRICTED ANALOGS | DERIVATIVES
Journal Article
CHEMISTRY-AN ASIAN JOURNAL, ISSN 1861-4728, 10/2012, Volume 7, Issue 10, pp. 2361 - 2366
A Bronsted acid-catalyzed asymmetric Nazarov cyclization of acyclic a-alkoxy dienones has been developed. The reaction offers access to chiral cyclopentenones... 
organocatalysis | HIGHLY ENANTIOSELECTIVE SYNTHESIS | ACTIVATION | asymmetric synthesis | electrocyclizations | CYCLOPENTANOIDS | Bronsted acids | CHEMISTRY, MULTIDISCIPLINARY | Nazarov reaction
Journal Article
Synlett, ISSN 0936-5214, 2/2007, Volume 2007, Issue 2, pp. 0247 - 0250
Journal Article
Chemical Communications, ISSN 1359-7345, 04/2011, Volume 47, Issue 13, pp. 3828 - 3830
Journal Article
Acta crystallographica. Section E, Structure reports online, 10/2011, Volume 67, Issue Pt 10, p. o2748
The title compound, C(15)H(15)BrO(2), was synthesized by a Brønsted acid-catalysed domino electrocyclization-halogenation reaction. The five-membered ring is... 
Journal Article
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