X
Search Filters
Format Format
Format Format
X
Sort by Item Count (A-Z)
Filter by Count
Journal Article (10076) 10076
Publication (278) 278
Patent (104) 104
Book Chapter (90) 90
Dissertation (38) 38
Book Review (28) 28
Conference Proceeding (26) 26
Magazine Article (9) 9
Journal / eJournal (2) 2
Book / eBook (1) 1
more...
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
metal-free (3675) 3675
chemistry, multidisciplinary (2889) 2889
chemistry, organic (2654) 2654
chemistry, physical (2047) 2047
catalysis (1618) 1618
materials science, multidisciplinary (1481) 1481
metal-free electrocatalysts (1394) 1394
graphene (1346) 1346
catalysts (1267) 1267
carbon (1195) 1195
nitrogen (1181) 1181
oxygen reduction reaction (1160) 1160
derivatives (1011) 1011
oxidation (909) 909
electrochemistry (867) 867
nanoparticles (748) 748
performance (738) 738
electrocatalysts (728) 728
chemistry (708) 708
nanoscience & nanotechnology (706) 706
reduction (694) 694
index medicus (682) 682
stickstoff (659) 659
kohlenstoff (653) 653
sauerstoffreduktionsreaktion (647) 647
physics, applied (637) 637
energy & fuels (619) 619
oxygen (616) 616
oxygen-reduction-reaction (612) 612
synthesis (606) 606
one-pot synthesis (589) 589
engineering, chemical (552) 552
efficient (551) 551
fuel-cells (542) 542
chemistry, applied (538) 538
nanotubes (519) 519
elektrokatalysator (516) 516
transition-metal-free (493) 493
analysis (468) 468
sulfur (463) 463
activation (443) 443
metal-free conditions (441) 441
chemistry, inorganic & nuclear (433) 433
complexes (427) 427
metal-free synthesis (418) 418
aldehydes (417) 417
water (417) 417
graphen (416) 416
chemical properties (411) 411
physics, condensed matter (403) 403
alcohols (401) 401
organic chemistry (400) 400
photocatalysis (400) 400
electrodes (397) 397
iron (383) 383
metal-free electrocatalyst (382) 382
highly efficient (377) 377
chemical synthesis (370) 370
katalytische aktivität (366) 366
graphite (365) 365
catalyst (362) 362
catalyst-activity (362) 362
metal-free catalyst (358) 358
carbon nanotubes (357) 357
functionalization (357) 357
alkenes (356) 356
fuel cells (354) 354
hydrogen (351) 351
sauerstoff (350) 350
cyclization (349) 349
nanosheets (349) 349
oxygen reduction (346) 346
boron (342) 342
photoredox catalysis (341) 341
organic-synthesis (340) 340
oxide (337) 337
amines (332) 332
copper (326) 326
molecular-oxygen (325) 325
ketones (324) 324
efficient synthesis (320) 320
nanostructure (316) 316
methanol (313) 313
cobalt (306) 306
phthalocyanine (306) 306
visible-light (305) 305
facile synthesis (303) 303
hydrogen evolution (301) 301
nitrogen-doped graphene (293) 293
pyrolysis (293) 293
room-temperature (287) 287
active-site (277) 277
brennstoffzelle (276) 276
bond formation (275) 275
arylation (272) 272
iodine (272) 272
elektron (271) 271
platinum (271) 271
electrons (270) 270
alkynes (264) 264
more...
Library Location Library Location
Language Language
Language Language
X
Sort by Item Count (A-Z)
Filter by Count
English (9843) 9843
Chinese (353) 353
Japanese (160) 160
German (15) 15
French (14) 14
Italian (7) 7
Korean (6) 6
Portuguese (3) 3
Russian (2) 2
Finnish (1) 1
Spanish (1) 1
Swedish (1) 1
more...
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Tetrahedron, ISSN 0040-4020, 11/2019, Volume 75, Issue 46, p. 130665
A new method for the radical alkylation of quinones is reported. Lewis basic nitrogen additives increase the efficacy of quinone alkylations from carboxylic... 
Quinones | Metal-free | Radical | Alkylation
Journal Article
Advanced Materials, ISSN 0935-9648, 11/2017, Volume 29, Issue 41
The rapid increase of the CO concentration in the Earth's atmosphere has resulted in numerous environmental issues, such as global warming, ocean... 
carbon materials | metal-free catalysts | heteroatom doping | reduction
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 01/2013, Volume 54, Issue 3, pp. 249 - 251
A PhI(OAc) -mediated oxidative trifluoromethylation of arenes with CF SiMe under metal-free conditions has been described. This protocol precludes the need of... 
Trifluoromethylation | Hypervalent iodine | Metal-free
Journal Article
Organic Letters, ISSN 1523-7060, 08/2017, Volume 19, Issue 16, pp. 4199 - 4202
Conformational dynamics can define the function of organocatalysts. While the accepted mechanism of Schreiner’s catalyst features a double hydrogen bond to the... 
CHEMISTRY, ORGANIC | CATALYSIS | ENERGIES | METAL-FREE
Journal Article
Organic Letters, ISSN 1523-7060, 02/2015, Volume 17, Issue 4, pp. 986 - 989
Efficient electrocatalytic aziridination of alkenes has been achieved for the first time. A structurally broad range of aziridines was easily accessed using an... 
CATALYZED AZIRIDINATION | CHEMISTRY, ORGANIC | CHLORAMINE-T | METAL-FREE AZIRIDINATION | OLEFINS | IODINE
Journal Article
Tetrahedron, ISSN 0040-4020, 11/2019, Volume 75, Issue 46, p. 130664
An efficient synthesis of -heterocyclic aryl sulfides via NH I/1,10-phenanthroline-catalyzed direct sulfenylation reactions was reported. In this reaction,... 
Sulfenylation | Metal-free | Indole | Ethyl arylsulfinates | Pyrrole
Journal Article
Tetrahedron, ISSN 0040-4020, 10/2019, p. 130692
Journal Article
Applied Catalysis B: Environmental, ISSN 0926-3373, 04/2019, Volume 243, pp. 27 - 35
Design and preparation of highly efficient and stable cocatalysts are critical to the improvement of photocatalyst performance. A traditional cocatalyst... 
Photocatalysis | Noble-metal-free cocatalyst | Hydrogen production
Journal Article
Applied Surface Science, ISSN 0169-4332, 02/2020, Volume 502, p. 144139
Journal Article
Tetrahedron, ISSN 0040-4020, 06/2015, Volume 71, Issue 24, pp. 4219 - 4226
A simple, cheap, efficient, and metal-free method for one-step synthesis of a library of 1,3-diheteroatom five-membered heterocycles with exocyclic C N and C C... 
Heterocycles | Metal-free | Iodocyclization | Propargylamines
Journal Article
Catalysis Today, ISSN 0920-5861, 2019
A range of graphitic oxides have been utilised as metal free carbocatalysts for the low temperature oxidation of cyclohexene. The activity of the catalysts was... 
Carbocatalysis | Oxidation | Metal-free | Cyclohexene | Allylic
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 12/2018, Volume 57, Issue 51, pp. 16907 - 16907
Boronic esters are highly valuable compounds in organic synthesis. In their Communication on page 16832 ff., A. Studer and co‐workers report... 
metal-free synthesis | radical process | iodides | borylation
Journal Article
Chemical Communications, ISSN 1359-7345, 09/2013, Volume 49, Issue 70, pp. 7705 - 7707
The hybrid material composed of Mn3O4 nanoparticles on nitrogen-doped graphene was prepared via a solvothermal process and investigated for the first time as a... 
CELLS | FACILE SYNTHESIS | CARBON | COBALT OXIDE | NANOCRYSTALS | SHEETS | CHEMISTRY, MULTIDISCIPLINARY | CATALYSTS | METAL-FREE ELECTROCATALYSTS
Journal Article
Angewandte Chemie - International Edition, ISSN 1433-7851, 2016, Volume 55, Issue 25, pp. 7068 - 7072
Journal Article
Angewandte Chemie - International Edition, ISSN 1433-7851, 12/2012, Volume 51, Issue 49, pp. 12307 - 12310
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 08/2018, Volume 59, Issue 34, pp. 3249 - 3252
A facile protocol is described for the synthesis of benzil derivatives from readily accessible diarylacetylene derivatives using the NH I/EtOCS K system. This... 
Benzil | Oxidation | Transition-metal-free | Radical | Dixanthogen
Journal Article
Chemical Communications, ISSN 1359-7345, 2016, Volume 52, Issue 62, pp. 9727 - 9730
We successfully obtained a novel bi-functional electrocatalyst towards the ORR and OER: Co nanoparticle-embedded N-doped carbon nano tube (CNT)/porous carbon... 
CONVERSION | REDUCTION REACTION | PERFORMANCE | WATER-OXIDATION | NANOCRYSTALS | GRAPHENE | NITROGEN | CATALYST | SHEETS | CHEMISTRY, MULTIDISCIPLINARY | METAL-FREE ELECTROCATALYSTS
Journal Article
No results were found for your search.

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