X
Search Filters
Format Format
Format Format
X
Sort by Item Count (A-Z)
Filter by Count
Journal Article (1856) 1856
Publication (154) 154
Book Chapter (82) 82
Book Review (55) 55
Dissertation (5) 5
Book / eBook (4) 4
Conference Proceeding (4) 4
Paper (1) 1
more...
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
chemistry, organic (902) 902
chemistry, multidisciplinary (706) 706
catalysis (680) 680
chiral bronsted acid (496) 496
asymmetric catalysis (404) 404
organocatalysis (328) 328
index medicus (303) 303
bronsted acid (286) 286
derivatives (263) 263
aldehydes (261) 261
enantiomers (261) 261
stereoisomerism (257) 257
imines (223) 223
asymmetric-synthesis (222) 222
catalysts (217) 217
enantioselective synthesis (204) 204
diels-alder reaction (201) 201
synthesis (167) 167
molecular structure (163) 163
phosphoric-acid (152) 152
chiral phosphoric-acid (144) 144
asymmetric synthesis (143) 143
asymmetry (143) 143
friedel-crafts reaction (140) 140
activation (137) 137
chemistry, physical (133) 133
diels-alder reactions (133) 133
alkylation (131) 131
michael addition (126) 126
enantioselectivity (125) 125
cyclization (121) 121
ketones (121) 121
ligands (119) 119
alcohols (116) 116
indoles (115) 115
chemistry, applied (114) 114
transfer hydrogenation (112) 112
chiral bronsted acids (108) 108
conjugate addition (107) 107
mannich-type reaction (107) 107
organic chemistry (106) 106
asymmetrische katalyse (104) 104
chemistry (104) 104
construction (104) 104
asymmetric-catalysis (103) 103
carbonyl-compounds (102) 102
phosphoric acid (101) 101
kinetic resolution (100) 100
analysis (99) 99
chemical properties (99) 99
hydrogenation (99) 99
organic-synthesis (98) 98
lewis-acid (97) 97
stereoselective-synthesis (97) 97
esters (91) 91
complexes (90) 90
enantioselektivität (90) 90
cycloaddition (87) 87
enantio-selectivity (87) 87
amines (84) 84
chirality (83) 83
friedel-crafts alkylation (82) 82
cooperative catalysis (76) 76
bronsted acids (73) 73
chemical synthesis (71) 71
article (70) 70
organic compounds (69) 69
phosphorsäure (69) 69
chemistry, inorganic & nuclear (66) 66
phosphates (66) 66
chemical sciences (64) 64
alpha-amino-acids (62) 62
baylis-hillman reaction (62) 62
chiral phosphoric acid (59) 59
bond-forming reactions (58) 58
schiff bases (58) 58
asymmetric transfer hydrogenation (57) 57
katalyse (57) 57
mannich reaction (56) 56
synthetic methods (56) 56
alkenes (55) 55
aldol reaction (54) 54
natural-products (54) 54
efficient (53) 53
reductive amination (53) 53
acids (52) 52
imines - chemistry (52) 52
hydrogen bonding (51) 51
aldol reactions (50) 50
chemical reactions (50) 50
1,3-dicarbonyl compounds (49) 49
alpha,beta-unsaturated aldehydes (49) 49
amino-acids (49) 49
aza-henry reaction (49) 49
indole (49) 49
alkaloids (48) 48
efficient synthesis (48) 48
transition-metal catalysis (48) 48
allylation (46) 46
cinchona alkaloids (46) 46
more...
Library Location Library Location
Language Language
Language Language
X
Sort by Item Count (A-Z)
Filter by Count
English (1890) 1890
Chinese (32) 32
Japanese (17) 17
Spanish (2) 2
French (1) 1
German (1) 1
Portuguese (1) 1
more...
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Journal of the American Chemical Society, ISSN 0002-7863, 10/2007, Volume 129, Issue 40, pp. 12084 - 12085
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 07/2014, Volume 53, Issue 30, pp. 7923 - 7927
We describe herein a catalytic, enantioselective process for the synthesis of 4H‐chromenes which are important structural elements of many natural products and... 
benzhydrylic alcohols | asymmetric synthesis | chromenes | xanthenones | chiral phosphoric acids | ASYMMETRIC CATALYSIS | ONE-POT SYNTHESIS | ANNULATION | FUNCTIONALIZED 4H-CHROMENES | BOND-FORMING REACTIONS | SALICYL N-TOSYLIMINES | CHEMISTRY, MULTIDISCIPLINARY | FACILE CONSTRUCTION | SELECTIVE SYNTHESIS | EFFICIENT
Journal Article
Chemical Communications, ISSN 1359-7345, 2018, Volume 54, Issue 80, pp. 11292 - 11295
The bis(trifluoromethane)sulfonimide (Tf2NH) catalyzed intramolecular hydroamidation of terminal alkynes is reported. The combination of Et3SiH and Tf2NH... 
BRONSTED ACID | CHIRAL HOMOPROPARGYL SULFONAMIDES | ENANTIOSELECTIVE SYNTHESIS | NITROGEN-HETEROCYCLES | A-C | HYDROAMINATION | ALKYNES | EFFICIENT | CHEMISTRY, MULTIDISCIPLINARY | CYCLIZATION
Journal Article
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 04/2008, Volume 47, Issue 19, pp. 3631 - 3634
Journal Article
Synthesis (Germany), ISSN 0039-7881, 05/2018, Volume 50, Issue 17, pp. 3436 - 3444
Journal Article
Tetrahedron, ISSN 0040-4020, 07/2017, Volume 73, Issue 29, pp. 4023 - 4038
Pericyclic reactions can be challenging processes to render asymmetric, due to the concerted and non-polar nature of the transition states. Several examples... 
COOPERATIVE CATALYSIS | DIELS-ALDER REACTIONS | ORTHO-QUINONE METHIDES | 1,3-DIPOLAR CYCLOADDITION | NAZAROV CYCLIZATION | FISCHER INDOLE SYNTHESIS | AZOMETHINE YLIDES | CHEMISTRY, ORGANIC | CLAISEN REARRANGEMENTS | CHIRAL PHOSPHORIC-ACID | ASYMMETRIC AMINOALLYLATION | Enantiomers
Journal Article
SYNLETT, ISSN 0936-5214, 01/2016, Volume 27, Issue 1, pp. 156 - 158
The design and synthesis of highly acidic BINOL-derived N,N-bistriflylphosphoramidimidate and N,N-bisarylsulfonylphosphoramidimidate BrOnsted acid catalysts... 
N,N-bistriflylphosphoramidimidate | CHEMISTRY, ORGANIC | N,N-bisarylsulfonylphosphoramidimidate | BINOL-derived | chiral BrOnsted acid | C-2-symmetric anions | BENZOIC-ACIDS
Journal Article
Synlett, ISSN 0936-5214, 10/2018, Volume 29, Issue 17, pp. 2298 - 2300
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 01/2017, Volume 56, Issue 4, pp. 1077 - 1081
A highly enantioselective regiodivergent addition of alkoxyallenes to pyrazolones was developed to afford multiply functionalized alkylated products bearing a... 
allenes | palladium | heterocycles | Brønsted acids | allylic compounds | ASYMMETRIC-SYNTHESIS | STEREOCONTROL | COMPLEXES | CHIRAL PHOSPHORIC-ACID | CHEMISTRY, MULTIDISCIPLINARY | PYRAZOL-5-ONES | CONSTRUCTION | HYDROALKOXYLATION | WAGNER-MEERWEIN SHIFT | Bronsted acids | DERIVATIVES | Acids | Quaternary | Palladium | Catalysis | Enantiomers | Pyrazolones | Alkylation | Exploitation
Journal Article
by Wang, YW and Li, GX and Liu, HX and Tang, Z and Cao, Y and Zhao, G
TETRAHEDRON LETTERS, ISSN 0040-4039, 07/2017, Volume 58, Issue 30, pp. 2993 - 2996
We have developed a highly efficient and practical strategy for the kinetic resolution of indoline derivatives, involving a chiral Bronsted acid-catalyzed... 
ASYMMETRIC TRANSFER HYDROGENATION | ACTIVATION | CATALYZED TRANSFER HYDROGENATION | CHEMISTRY, ORGANIC | Indolines | INDOLES | Chiral Bronsted acid | SECONDARY ALCOHOLS | Transfer hydrogenation | RELAY CATALYSIS | PHOSPHORIC-ACID | AMINES | Hydride donor | RECENT PROGRESS | Kinetic resolution | ALPHA-IMINO ESTERS
Journal Article
The Journal of Organic Chemistry, ISSN 0022-3263, 01/2017, Volume 82, Issue 1, pp. 407 - 414
A practical approach for the α-stereoselective synthesis of deoxyglycosides using cooperative Brønsted acid-type organocatalysis has been developed. The method... 
CATALYSIS | 2-DEOXY | DEHYDRATIVE GLYCOSYLATION | CHEMISTRY, ORGANIC | GLYCALS | DONORS | SUGARS
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 05/2015, Volume 54, Issue 20, pp. 6024 - 6027
An enantioselective oxidative carbocyclization–borylation of enallenes that is catalyzed by palladium(II) and a Brønsted acid was developed. Biphenol‐type... 
chiral anion | oxidation | palladium | carbocyclization | chiral phosphoric acid | BRONSTED ACID | TRANSITION-METAL CATALYSIS | SPIRO PHOSPHORIC-ACIDS | PALLADIUM CATALYSIS | C-H ACTIVATION | ARYLATING CARBOCYCLIZATION | CHEMISTRY, MULTIDISCIPLINARY | CARBON BOND FORMATION | SUBSTITUTED CONJUGATED DIENES | CHIRAL COUNTERION STRATEGY | ALPHA-ALLYLATION | Communications
Journal Article