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chemistry, organic (50) 50
halogenation (28) 28
catalysis (27) 27
chemistry, multidisciplinary (24) 24
alkenes (22) 22
bromocyclization (21) 21
cyclization (21) 21
enantiomers (21) 21
derivatives (15) 15
enantioselective bromocyclization (15) 15
index medicus (15) 15
organocatalysis (14) 14
diastereoselective syntheses, enantioselective syntheses (13) 13
olefins (13) 13
bromolactonization (11) 11
enantioselective bromolactonization (11) 11
enantioselective halocyclization (11) 11
alkaloids (9) 9
enantioselective synthesis (9) 9
halocyclization (9) 9
selective bromocyclization (9) 9
asymmetric bromolactonization (8) 8
bromoetherification (8) 8
carboxylic-acids (8) 8
catalysts (8) 8
enantioselective total-synthesis (8) 8
heterocycles (8) 8
highly efficient synthesis (8) 8
molecular structure (8) 8
natural products (8) 8
one-pot synthesis (8) 8
stereoisomerism (8) 8
alkenes - chemistry (7) 7
amides (7) 7
asymmetric catalysis (7) 7
asymmetry (7) 7
concise total-synthesis (7) 7
iodolactonization (7) 7
kinetic resolution (7) 7
n-bromosuccinimide (7) 7
ring closure reactions (7) 7
synthesis (7) 7
alkene (6) 6
article (6) 6
cyclisation (6) 6
brominative cyclization (5) 5
bromoaminocyclization (5) 5
chemistry, applied (5) 5
chemistry, medicinal (5) 5
chemistry, physical (5) 5
construction (5) 5
desymmetrization (5) 5
efficient (5) 5
electrophilic cyclization (5) 5
indoles (5) 5
induced polyene cyclizations (5) 5
acid (4) 4
acids (4) 4
activation (4) 4
alcohols (4) 4
aromatic compounds (4) 4
asymmetric synthesis (4) 4
bronsted acid (4) 4
chemistry, inorganic & nuclear (4) 4
chlorocyclization (4) 4
diels-alder reactions (4) 4
enantioselectivity (4) 4
halogenierung (4) 4
halogens (4) 4
homogeneous catalysis (4) 4
katalyse (4) 4
lactonization (4) 4
oxidation (4) 4
reaction-mechanism (4) 4
reaktionsmechanismus (4) 4
rearrangement (4) 4
stereoselective-synthesis (4) 4
total synthesis (4) 4
urea (4) 4
aldehydes (3) 3
alkylation (3) 3
alkynes (3) 3
amino-thiocarbamate catalyst (3) 3
asymmetric total-synthesis (3) 3
asymmetric-catalysis (3) 3
asymmetrische katalyse (3) 3
biogenetic-type synthesis (3) 3
bromination (3) 3
catalysis, phase‐transfer catalysis (3) 3
catalyst (3) 3
chemical properties (3) 3
chemical synthesis (3) 3
chemistry, analytical (3) 3
chiral phosphoric-acid (3) 3
chlorination (3) 3
dearomatization (3) 3
design (3) 3
enantio-selectivity (3) 3
enantioselective bromoaminocyclization (3) 3
enantioselective construction (3) 3
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Journal of the American Chemical Society, ISSN 0002-7863, 02/2017, Volume 139, Issue 4, pp. 1460 - 1463
The first catalytic asymmetric bromonium ion-induced polyene cyclization has been achieved by using a chiral BINOL-derived thio­phosphor­amide catalyst and... 
ALKENES | BROMOETHERIFICATION | SELECTIVE BROMOCYCLIZATION | REAGENTS | CHIRAL BRONSTED ACID | DERIVATIVES | CHEMISTRY, MULTIDISCIPLINARY | ENANTIOSELECTIVE BROMOCYCLIZATION | CYCLIZATION | BROMOAMINOCYCLIZATION | DESYMMETRIZATION
Journal Article
Asian Journal of Organic Chemistry, ISSN 2193-5807, 04/2014, Volume 3, Issue 4, pp. 408 - 411
Journal Article
Organic and Biomolecular Chemistry, ISSN 1477-0520, 2017, Volume 15, Issue 35, pp. 7396 - 7403
The bromocyclization of 4-aryl-3-butenylphosphonic acid monoesters could proceed smoothly and rapidly in CH3CN with 1.2 equiv. of NBS in the presence of 0.02... 
CHEMISTRY, ORGANIC | ELECTROPHILIC HETEROATOM CYCLIZATION | CONJUGATED ENYNES | ASYMMETRIC BROMOLACTONIZATION | ENANTIOSELECTIVE HALOCYCLIZATION | 4-HALOPHOSPHAISOCOUMARINS
Journal Article
Chemical Science, ISSN 2041-6520, 2013, Volume 4, Issue 11, pp. 4181 - 4186
Nucleophilic phosphite-urea cooperative high-turnover catalysts have been designed for the highly selective bromocyclization of homogeranylarenes. The... 
BROMOLACTONIZATION | 3+2 ANNULATION | POLYENES | ACID-SENSITIVE (-)-CAPARRAPI | KINETIC RESOLUTION | CHIRAL BRONSTED ACIDS | POLYPRENOIDS | BROMINATIVE CYCLIZATION | CHEMISTRY, MULTIDISCIPLINARY | ENANTIOSELECTIVE BIOMIMETIC CYCLIZATION | CARBOXYLIC-ACIDS | Byproducts | Ureas | Decomposition | Catalysis | Catalysts | Aromatic compounds
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 03/2018, Volume 140, Issue 12, pp. 4344 - 4353
Journal Article
ACS CATALYSIS, ISSN 2155-5435, 07/2018, Volume 8, Issue 7, pp. 6362 - 6366
Thiourea-I-2 as Lewis base Lewis acid cooperative catalysts are developed for the iodochlorination of alkenes with in situ-generated iodine monochloride... 
thiourea | CRYSTAL-STRUCTURE | CHEMISTRY, PHYSICAL | IODINATION | ENANTIOSELECTIVE BROMOCYCLIZATION | SELECTIVE BROMOCYCLIZATION | iodochlorination | DICHLORINATION | IODINE MONOCHLORIDE | ALLYLIC ALCOHOLS | Lewis base-Lewis acid catalysis | OLEFINS | iodine | halogen-bonding dihalogenation | IODOLACTONIZATION | DERIVATIVES
Journal Article
Synlett, ISSN 0936-5214, 06/2018, Volume 29, Issue 9, pp. 1181 - 1186
Abstract Lewis bases were evaluated as catalysts for halocarbocyclization reactions of alkynylstyrenes and a cinnamylaniline derivative. Phosphines and... 
letter | organocatalysis | halogenation | carbocyclization | enynes | Lewis base | INDUCED POLYENE CYCLIZATIONS | ASYMMETRIC CATALYSIS | ELECTROPHILIC CYCLIZATION | 1,5-ENYNES | CHEMISTRY, ORGANIC | ENANTIOSELECTIVE BROMOCYCLIZATION | ALKENES | SELECTIVE BROMOCYCLIZATION | AMINO-THIOCARBAMATE CATALYST | OLEFINS | DERIVATIVES
Journal Article
Journal of Organic Chemistry, ISSN 0022-3263, 2019, Volume 84, Issue 7, pp. 4017 - 4024
An environmentally benign and highly versatile catalytic protocol has been successfully applied in the intermolecular bromoesterification between various... 
ALKENES | HALOFUNCTIONALIZATION | BROMOETHERIFICATION | ACID | N-BROMOSUCCINIMIDE | CHEMISTRY, ORGANIC | NUCLEOPHILIC ORGANOCATALYSTS | ELECTROPHILIC BROMINE | HALOGENATION | ENANTIOSELECTIVE BROMOCYCLIZATION | NBS
Journal Article
ORGANIC & BIOMOLECULAR CHEMISTRY, ISSN 1477-0520, 02/2019, Volume 17, Issue 7, pp. 1749 - 1753
A simple and efficient iron-catalyzed protodehalogenation of alkyl and aryl halides using phenylhydrosilane is disclosed. The reaction utilizes FeCl3 without... 
REAGENT | SYSTEM | REDUCTIVE RADICAL CYCLIZATION | DEHALOGENATION | HYDRODEHALOGENATION | CHEMISTRY, ORGANIC | ORGANIC HALIDES | EXCHANGE | EFFICIENT | ENANTIOSELECTIVE BROMOCYCLIZATION | HYDRIDE
Journal Article
Organic Letters, ISSN 1523-7060, 10/2017, Volume 19, Issue 20, pp. 5525 - 5528
Chlorocyclization of tryptamine derivatives has been developed with the use of a diphenyl diselenide–iodine cooperative catalyst. Various tryptamine... 
DIKETOPIPERAZINE ALKALOIDS | CONCISE TOTAL-SYNTHESIS | TRYPTOPHOL DERIVATIVES | CONSTRUCTION | CHEMISTRY, ORGANIC | ASYMMETRIC CHLOROLACTONIZATION | DIMERIZATION | ENANTIOSELECTIVE BROMOCYCLIZATION | STEREOCONTROLLED SYNTHESIS | CHLORINATION | CARBOXYLIC-ACIDS
Journal Article
Organic Letters, ISSN 1523-7060, 07/2014, Volume 16, Issue 14, pp. 3728 - 3731
An asymmetric intermolecular bromoesterification of unfunctionalized olefins catalyzed by (DHQD)2PHAL is described. Optically active bromoesters can be... 
BRONSTED ACID | BROMOLACTONIZATION | REARRANGEMENT | ALKENES | ENANTIOSELECTIVE HALOCYCLIZATION | ALLYLIC ALCOHOLS | CHEMISTRY, ORGANIC | HIGHLY EFFICIENT SYNTHESIS | FLUORINATION | CHIRAL PHOSPHORIC-ACID | BROMOCYCLIZATION
Journal Article
TETRAHEDRON LETTERS, ISSN 0040-4039, 12/2013, Volume 54, Issue 51, pp. 7004 - 7008
Catalytic (DHQD)(2)PHAL as modified by added benzoic acid, is an off-the-shelf catalyst-additive combination for effecting catalytic asymmetric... 
Additive effects | Bromolactonization reaction | ENANTIOSELECTIVE BROMOLACTONIZATION | CHEMISTRY, ORGANIC | Cinchona alkaloid | Carboxylic acids | HIGHLY EFFICIENT SYNTHESIS | HALOGENATION | Asymmetric organocatalysis | BROMOCYCLIZATION
Journal Article
Organic Letters, ISSN 1523-7060, 05/2014, Volume 16, Issue 9, pp. 2426 - 2429
Journal Article
Journal of Organic Chemistry, ISSN 0022-3263, 01/2019, Volume 84, Issue 1, pp. 1 - 13
Halofunctionalization methods enable the vicinal difunctionalization of alkenes with heteroatom nucleophiles and halogen moieties. As a fundamental... 
ACID-DERIVATIVES | SELECTIVE BROMOCYCLIZATION | ENANTIOSELECTIVE BROMOAMINOCYCLIZATION | INTERMOLECULAR HALOETHERIFICATION | NEIGHBORING GROUPS | AMINOHALOGENATION REACTION | CHEMISTRY, ORGANIC | STEREOSELECTIVE AMINOBROMINATION | OLEFINS | HIGHLY EFFICIENT SYNTHESIS | CONJUGATE ADDITION
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 02/2018, Volume 140, Issue 8, pp. 2785 - 2788
Inspired by the dicationic nature of the electrophilic fluorinating reagent, Selectfluor (1), we rationally designed a series of dicarboxylic acid precatalysts... 
PHENYL-SUBSTITUTED ALKENES | ENANTIOSELECTIVE FLUORINATION | ELECTROPHILIC FLUOROCYCLIZATION | FLUOROLACTONIZATION | DERIVATIVES | CHEMISTRY, MULTIDISCIPLINARY | ALLYL SILANES | BROMOCYCLIZATION | DEAROMATIZATION | CATIONS | AMIDES | Usage | Catalysis | Ring formation (Chemistry) | Chemical properties | Olefins
Journal Article
SYNLETT, ISSN 0936-5214, 09/2019, Volume 30, Issue 14, pp. 1667 - 1672
The synthesis of novel, highly functionalized, C (2) -symmetric sulfur-based catalysts is developed and their catalytic applications are explored in asymmetric... 
BROMONIUM | BROMOETHERIFICATION | organosulfur catalysts | selenolactones | CHEMISTRY, ORGANIC | OLEFINIC 1,3-DIOLS | asymmetric catalysis | HALOGENATION | CINCHONA-ALKALOIDS | BROMOCYCLIZATION | halolactones | ORGANOCATALYSTS | N-BROMOSUCCINIMIDE | ENANTIOSELECTIVE BROMOLACTONIZATION | alkenoic acids
Journal Article
Synlett, ISSN 0936-5214, 07/2019, Volume 30, Issue 12, pp. 1474 - 1478
Abstract Enantioselective bromolactonization by using an amino-urea catalyst to generate the important bromo-containing 3,4-dihydroisocoumarins is described.... 
letter | enantioselectivity | BROMOETHERIFICATION | bromolactonization | CHEMISTRY, ORGANIC | OLEFINIC 1,3-DIOLS | DIHYDROISOCOUMARIN | BROMOAMINOCYCLIZATION | BROMOCYCLIZATION | DESYMMETRIZATION | ALKENES | 4-dihydroisocoumarins | deactivated olefins | ENANTIOSELECTIVE BROMOLACTONIZATION | organocatalyst | EFFICIENT | CARBOXYLIC-ACIDS
Journal Article
Synlett, ISSN 0936-5214, 09/2019, Volume 30, Issue 14, pp. 1662 - 1666
Abstract Highly regioselective 5- exo bromolactonizations of stilbene-type carboxylic acids bearing electron-withdrawing substituents are achieved for the... 
cluster | regioselectivity | BROMOETHERIFICATION | HYDROGENATION | ENANTIOSELECTIVE SYNTHESIS | CHEMISTRY, ORGANIC | OLEFINIC 1,3-DIOLS | HALOGENATION | EPOXIDATION | BROMOCYCLIZATION | organocatalysis | PHTHALIDES | asymmetric synthesis | lactonization | sulfides | CARBOXYLIC-ACIDS
Journal Article
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