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alkynes (6) 6
catalysis (6) 6
index medicus (5) 5
chemistry (4) 4
chemistry, multidisciplinary (4) 4
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Angewandte Chemie International Edition, ISSN 1433-7851, 06/2014, Volume 53, Issue 23, pp. 5872 - 5876
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 12/2017, Volume 56, Issue 49, pp. 15612 - 15616
We report the discovery of a new bioorthogonal click‐and‐release reaction involving iminosydnones and strained alkynes. This transformation leads to two... 
click chemistry | mesoionic compounds | bioorthogonal reactions | chemical biology | cleavage reactions | LIGATION | DRUG-RELEASE | CLEAVAGE | CHEMISTRY, MULTIDISCIPLINARY | CYCLOADDITION | CONJUGATION | PEPTIDES | CHEMICAL PROTEOMICS | CHEMISTRY | PROTEINS | Proteins | Drug delivery systems | Transformation | Fishing | Design modifications | Alkynes
Journal Article
Land Use Policy, ISSN 0264-8377, 03/2016, Volume 52, pp. 382 - 391
Over the centuries, specific farming practices shaped permanent grasslands in mountains. With socio-economic change, farming practices have changed and with... 
Marginal mountain grasslands | Farm management practices | Institutions | Socio-ecological resilience | PERSPECTIVE | AGRICULTURE | LANDSCAPE | FARMERS | SYSTEMS | ENVIRONMENTAL STUDIES | FOOD | Case studies | Grasslands | Cattle | Ecosystems | Analysis | Mountain ecology | Agriculture
Journal Article
Organic Letters, ISSN 1523-7060, 01/2015, Volume 17, Issue 2, pp. 362 - 365
Copper-catalyzed cycloaddition of alkynes with 4-bromosydnones provides a convenient, mild, and regioselective method for the synthesis of a wide range of... 
ARYLGLYCINES | BROMINATION | FLUORESCENCE | LIGANDS | COMPLEXES | DRUG DESIGN | SYDNONES | CHEMISTRY | CHEMISTRY, ORGANIC | DERIVATIVES | DISCOVERY | Pyrazoles - chemistry | Copper - chemistry | Pyrazoles - chemical synthesis | Stereoisomerism | Sydnones - chemistry | Alkynes - chemistry | Molecular Structure | Catalysis | Cycloaddition Reaction
Journal Article
Organic Letters, ISSN 1523-7060, 09/2007, Volume 9, Issue 20, pp. 3925 - 3927
A simple and efficient method for constructing sulfur heterocycles was developed using a phosphine-catalyzed tandem umpolung addition and intramolecular... 
Phosphines - chemistry | Cyclization | Heterocyclic Compounds - chemistry | Heterocyclic Compounds - chemical synthesis | Molecular Structure | Sulfur Compounds - chemical synthesis | Catalysis | Rhodamines - chemistry | Sulfur Compounds - chemistry
Journal Article
The Journal of Organic Chemistry, ISSN 0022-3263, 10/2014, Volume 79, Issue 20, pp. 9894 - 9898
A simple and efficient method for constructing 4-arylidene-5-imidazolones was developed using a phosphine-catalyzed tandem umpolung addition and intramolecular... 
CHEMISTRY, ORGANIC | GREEN FLUORESCENT PROTEIN | GFP-CHROMOPHORE | HETEROCYCLES | ELECTRON-DEFICIENT ALKYNES | Phosphines - chemistry | Cyclization | Imidazoles - chemistry | Luminescent Proteins - chemistry | Molecular Structure | Catalysis | Imidazoles - chemical synthesis | Amidines | Chemical properties | Nucleophiles | Analysis
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 01/2019, Volume 141, Issue 4, pp. 1435 - 1440
The first approach to pyrazole-containing helicenes via sydnone-aryne [3 + 2]-cycloaddition is described. An unprecedented regioselectivity in the... 
CYCLOADDITION | DIPOLES | ENANTIOSELECTIVE SYNTHESIS | ANNULATION | STEREOSELECTIVE SYNTHESES | GENERATION | ONE HUNDRED YEARS | REGIOSELECTIVITY | CHEMISTRY, MULTIDISCIPLINARY | BENZYNE | ARYNE DISTORTIONS
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 06/2012, Volume 51, Issue 25, pp. 6144 - 6148
Journal Article
Angewandte Chemie, ISSN 0044-8249, 12/2017, Volume 129, Issue 49, pp. 15818 - 15822
We report the discovery of a new bioorthogonal click‐and‐release reaction involving iminosydnones and strained alkynes. This transformation leads to two... 
Spaltungsreaktionen | Bioorthogonale Reaktionen | Chemische Biologie | Mesoionische Verbindungen | Klick-Chemie | Proteins | Drug delivery systems | Transformation | Fishing | Design modifications | Alkynes
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 03/2008, Volume 49, Issue 13, pp. 2083 - 2087
A straightforward procedure ensuring the anchoring of bisphosphonate moiety onto aromatic amines is described. The procedure yields aminoaryl... 
Carbenoids | Rhodium | Bisphosphonates | Uranyl | Insertions | ROUTE | TRYPANOSOMA-BRUCEI | insertions | uranyl | COMPLEXES | CHEMISTRY, ORGANIC | CATALYST | OSTEOPOROSIS | AMINO-ACID | IN-VITRO | INHIBITION | BONDS | carbenoids | bisphosphonates | DERIVATIVES | rhodium | Diphosphonates
Journal Article
Angewandte Chemie, ISSN 1433-7851, 06/2012, Volume 51, Issue 25, p. 6144
  Mmm, a reaction sandwich... Using an immunoassay-based technique able to monitor any kind of cross-coupling reaction, a systematic and rapid evaluation of a... 
Journal Article
Synthesis, ISSN 0039-7881, 2/2007, Volume 2007, Issue 4, pp. 515 - 522
Abstract A practical one step procedure for the synthesis of 1,4-dioxane-2-one and 1,4-benzodioxine-2-one derivatives is described. 
paper | Catalysis | Cyclization | Diols | Alcohols | Alkynes | ORGANIC-SYNTHESIS | diols | ELECTRON-DEFICIENT ALKYNES | alkynes | 2-ALKYNOATES | ORGANOCATALYSIS | CHEMISTRY, ORGANIC | catalysis | alcohols | cyclization | MICHAEL ADDITION
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 01/2019, Volume 141, pp. 1435 - 1440
The first approach to pyrazole containing helicenes via sydnone-aryne [3+2]-cycloaddition is described. An unprecedented regioselectivity in the cycloaddition... 
Organic chemistry | Chemical Sciences
Journal Article
Angewandte Chemie, ISSN 0044-8249, 06/2014, Volume 126, Issue 23, pp. 5982 - 5986
The concept of chelation‐assisted copper catalysis was employed for the development of new azides that display unprecedented reactivity in the... 
Chemische Biologie | Biokonjugation | Klick‐Chemie | Kupfer | Fluorescence | Chemotherapy | Cancer | Equivalence | Biocompatibility | Complex media | Conjugation | Localization | Copper | Alkynes
Journal Article
Angewandte Chemie, ISSN 0044-8249, 06/2012, Volume 124, Issue 25, pp. 6248 - 6252
Journal Article
Angewandte Chemie, ISSN 0044-8249, 06/2012, Volume 124, Issue 25, pp. 6248 - 6252
Mithilfe einer Immunassaytechnik, die jede Art von Kreuzkupplung verfolgen kann, wurde ein großer Satz zufälliger Reaktionsbedingungen systematisch und schnell... 
Hochdurchsatz‐Screening | Immunassays | Kupfer | Reaktionsentdeckung
Journal Article
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