X
Search Filters
Format Format
Format Format
X
Sort by Item Count (A-Z)
Filter by Count
Journal Article (609) 609
Book Chapter (88) 88
Publication (29) 29
Book Review (28) 28
Book / eBook (2) 2
Conference Proceeding (2) 2
Dissertation (1) 1
more...
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
chemistry, organic (324) 324
chemistry, multidisciplinary (152) 152
chemistry (120) 120
electrophilic substitution (116) 116
derivatives (111) 111
electrophilic addition (90) 90
organic chemistry (80) 80
bromination (73) 73
halogenation (70) 70
alkenes (65) 65
electrophilic bromination (58) 58
electrophilic cyclization (55) 55
olefins (51) 51
chemistry, inorganic & nuclear (50) 50
bromine (48) 48
catalysis (47) 47
synthesis (47) 47
cyclization (42) 42
chemistry, physical (40) 40
alkynes (39) 39
regioselectivity (39) 39
electrophilic aromatic substitution (38) 38
substitution reactions (38) 38
reactivity (37) 37
chemistry/food science, general (36) 36
index medicus (36) 36
electrophilic additions (35) 35
heterocycles (34) 34
mechanism (30) 30
organic-synthesis (30) 30
inorganic chemistry (29) 29
efficient synthesis (28) 28
chemical synthesis (27) 27
electrophilic fluorination (27) 27
reagents (27) 27
analysis (26) 26
acid (25) 25
oxidation (24) 24
chemical properties (23) 23
n-bromosuccinimide (23) 23
carbonyl-compounds (22) 22
selenium (22) 22
aromatic compounds (21) 21
complexes (21) 21
halogens (21) 21
iodine (21) 21
halides (20) 20
asymmetric catalysis (19) 19
fluorine (19) 19
molecular structure (19) 19
stereoselective-synthesis (19) 19
synthetic methods (19) 19
system (19) 19
tetrahedrons (19) 19
aldehydes (18) 18
amines (18) 18
chemical reactions (18) 18
chemistry, applied (18) 18
chlorination (18) 18
efficient (18) 18
reaction mechanisms (18) 18
cross-coupling reactions (17) 17
electrophilic reactions (17) 17
esters (17) 17
ketones (17) 17
pharmacy (17) 17
thiophene (17) 17
alkylation (16) 16
catalysts (16) 16
nitration (16) 16
one-pot synthesis (16) 16
transformations (16) 16
acids (15) 15
alcohols (15) 15
aromatic-compounds (15) 15
bromide (15) 15
bromides (15) 15
cyclisation (15) 15
density (15) 15
electrophilic amination (15) 15
fluorination (15) 15
hydration (15) 15
lithiation (15) 15
mild (15) 15
palladium (15) 15
reagent (15) 15
amination (14) 14
arenes (14) 14
asymmetric-synthesis (14) 14
chemical sciences (14) 14
hydrogen-peroxide (14) 14
kinetics (14) 14
stereochemistry (14) 14
stereoisomerism (14) 14
ab-initio (13) 13
acylation (13) 13
agents (13) 13
copper (13) 13
density functional calculations (13) 13
electrophilic aromatic-substitution (13) 13
more...
Library Location Library Location
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Synlett, ISSN 0936-5214, 09/2011, Volume 22, Issue 14, pp. 2043 - 2047
Abstract A new catalyst system for the enantioselective bromine-induced semipinacol rearrangement of cyclic allylic alcohols is described. Using the... 
letter | bromine | electrophilic addition | halogenation | asymmetric catalysis | rearrangement | BRONSTED ACID | BROMOLACTONIZATION | COMPLEX | RING EXPANSION | CHEMISTRY, ORGANIC | PINACOL REARRANGEMENT | ALLYLIC ALCOHOLS | ENANTIOSELECTIVE HALOCYCLIZATION | HIGHLY EFFICIENT SYNTHESIS | WAGNER-MEERWEIN SHIFT | DERIVATIVES
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 11/2012, Volume 53, Issue 48, pp. 6531 - 6534
Bromine-mediated intramolecular cyclization of 1,4-diaryl buta-1,3-diynes has been developed for the construction of naphthalene motifs. A number of... 
Electrophilic carbocyclization | Diyne | Highly substituted naphthalene | Bromination | ELECTROPHILIC CYCLIZATION | ROUTE | ACETYLENES | ANNULATION | ACIDS | CHEMISTRY, ORGANIC | ALKYNES | CASCADE CYCLIZATION | EFFICIENT | DERIVATIVES
Journal Article
Tetrahedron, ISSN 0040-4020, 2007, Volume 63, Issue 1, pp. 56 - 61
Treatment of 3,4,5-tribromopyrazole with 1,2-dibromoethane and triethylamine gave 3,4,5-tribromo-1-vinylpyrazole, which underwent regioselective... 
Metalation | Nitrogen heterocycles | Protecting groups | Electrophilic addition | AZOLES | SUBSTITUTION | METATHESIS CATALYSTS | electrophilic addition | CHEMISTRY, ORGANIC | metalation | RUCL2(=CHR)(PR) | DISCOVERY | METALATION REACTIONS | protecting groups | DIRECTED LITHIATION | nitrogen heterocycles | ATOMS | INHIBITORS | EFFICIENT | Pyrazoles
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 2007, Volume 48, Issue 34, pp. 5948 - 5952
(±)- -Amarine is a potent organocatalyst at 1 mol % loading for both the bromoacetoxylation of alkenes with added acetic acid and bromolactonisation of... 
Amidine | Alkenes | Electrophilic bromination | Organocatalysis | CHEMISTRY, ORGANIC | Halocarbons | Olefins
Journal Article
Acta Chimica Slovenica, ISSN 1318-0207, 2017, Volume 64, Issue 2, pp. 290 - 298
Transannular electrophilic addition reaction of halogens to face-to-face (juxtaposed) double bonded strained alkenes were theoretically investigated. General... 
Intramolecular skeletal rearrangement | Face-to-face (juxtaposed) double bonds | Strained alkenes | DFT calculations | Electrophilic transannular addition | MECHANISM | AB-INITIO | STEREOCHEMISTRY | CHLORINE | CHEMISTRY, MULTIDISCIPLINARY | DENSITY | CYCLOADDITION | DFT | CHEMISTRY | ENERGIES | ANHYDRIDE
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 2007, Volume 48, Issue 6, pp. 915 - 918
Dimethylformamide, dimethylacetamide and tetramethylguanidine were found to act as increasingly active catalysts for the bromolactonisation of γ,δ- and... 
Alkenes | Electrophilic bromination | Catalysis | CHEMISTRY, ORGANIC | catalysis | electrophilic bromination | alkenes | Olefins
Journal Article
Synlett, ISSN 0936-5214, 8/2006, Volume 2006, Issue 12, pp. 1943 - 1947
Journal Article
INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY, ISSN 0376-4710, 08/2017, Volume 56, Issue 8, pp. 814 - 820
The geometry and the electronic structure of 6-oxa-heptacyclo [9.6.2.2(3,9).1(13,16).0(2,10).0(4,8).0(12,17)] docosan-14,18,20-triene-12,17-dicarboxylic... 
AB-INITIO | Intramolecular skeletal rearrangement | CHLORINE | Density functional calculations | Theoretical chemistry | MODEL | CHEMISTRY, MULTIDISCIPLINARY | Electrophilic transannular addition | MOLECULES | DENSITY | Transannular addition | Juxtaposed double bonds | PYRAMIDALIZED ALKENES | ENERGIES | STRAIN | DOUBLE-BOND
Journal Article
by Shi, M and Li, W
TETRAHEDRON, ISSN 0040-4020, 07/2007, Volume 63, Issue 28, pp. 6654 - 6660
For diarylvinylidenecyclopropanes 1 having two aromatic groups at C-1 position and one methyl group at the C-2 position of cyclopropyl ring, the reaction with... 
NAPHTHALENE DERIVATIVES | REARRANGEMENT | CYCLOADDITION REACTIONS | ELECTROPHILIC ADDITION | VINYLIDENECYCLOPROPANES | ARYLVINYLIDENECYCLOPROPANES | STEREOCHEMICAL ASPECTS | ALKENYLIDENECYCLOPROPANES | CHEMISTRY, ORGANIC | LEWIS-ACIDS | CIS-TRANS PHOTOISOMERIZATION
Journal Article
Synthetic Communications, ISSN 0039-7911, 07/2005, Volume 35, Issue 13, pp. 1835 - 1843
An efficient, facile, and environmentally friendly electrophilic substitution reaction of indoles with various aldehydes and ketones proceeded smoothly in... 
hexamethylenetetramine-bromine | Carbonyl compounds | indole | water | electrophilic substitution | Water | Hexamethylenetetramine- bromine | Electrophilic substitution | Indole | OXIDATION | SOLVENT-FREE CONDITIONS | SULFIDES | ORGANIC-REACTIONS | CHEMISTRY, ORGANIC | CARBONYL-COMPOUNDS | carbonyl compounds | INDOLES | ALCOHOLS
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 2005, Volume 46, Issue 44, pp. 7609 - 7613
Journal Article
The Journal of Physical Chemistry B, ISSN 1520-6106, 10/2004, Volume 108, Issue 41, pp. 16322 - 16327
The reactivity of electrogenerated bromine with cyclohexene has been studied on a platinum microelectrode by linear sweep and cyclic voltammetry in both the... 
MOLTEN-SALTS | KINETICS | DIFFUSION-COEFFICIENTS | ELECTRODES | CHEMISTRY, PHYSICAL | STEADY-STATE | ELECTROCHEMICAL BROMINATION | MOLECULAR BROMINE | TRIBROMIDE ION | ELECTROPHILIC BROMINATION | VOLTAMMETRY
Journal Article
Monatshefte für Chemie/Chemical Monthly, ISSN 0026-9247, 10/2004, Volume 135, Issue 6, pp. V - 1273
Highly rapid and convenient syntheses of bis(indolyl)methanes in excellent yields were carried out using the inexpensive and easily available catalyst,... 
Electrophilic substitution reactions | Chemistry | Indoles | Ketones | Aldehydes | aldehydes | indoles | ACIDS | electrophilic substitution reactions | INDOLE ALKALOIDS | ketones | DERIVATIVES | METABOLITE | CHEMISTRY, MULTIDISCIPLINARY
Journal Article
Journal of Chemical Education, ISSN 0021-9584, 7/2005, Volume 82, Issue 7, pp. 1051 - 1052
We investigated the reaction of (Z)-1,2-diphenylethene (cis-stilbene) with various brominating reagents and solvents following directions in standard organic... 
ION | SOLVENTS | CIS | CHEMISTRY, MULTIDISCIPLINARY | EDUCATION, SCIENTIFIC DISCIPLINES | ELECTROPHILIC BROMINATION | Science Education | Stoichiometry | Organic Chemistry | Solvents | Ethylbenzene | Chemistry, Organic | Chemical properties | Analysis
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 05/2002, Volume 41, Issue 10, pp. 1699 - 1700
The reversibility of electrophilic bromination of aromatic compounds has been known for a long time, but the possibility of using bromine as a protecting group... 
bromine | reversibility | protecting groups | arenes | electrophilic subsitution | Bromine | Arenes | Reversibility | Electrophilic substitution | Protecting groups | HALIDES | REDUCTION | CHEMISTRY, MULTIDISCIPLINARY | Chemistry, Organic - methods | Organic Chemicals - chemical synthesis | Hydrocarbons - chemistry | Models, Chemical | Bromine - chemistry
Journal Article
No results were found for your search.

Cannot display more than 1000 results, please narrow the terms of your search.