Articles

UofT Libraries is getting a new library services platform in January 2021.
Learn more about the change.

Search Articles

Advanced search
Help

Catalogue

Articles

Databases

X
Search Filters
Format Format
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
science & technology (45) 45
performing operations (38) 38
transporting (38) 38
electricity (29) 29
physics (24) 24
chemistry (21) 21
cladding or plating by soldering or welding (21) 21
cutting by applying heat locally, e.g. flame cutting (21) 21
life sciences & biomedicine (21) 21
machine tools (21) 21
metal-working not otherwise provided for (21) 21
physical sciences (21) 21
soldering or unsoldering (21) 21
welding (21) 21
working by laser beam (21) 21
云贵高原 (20) 20
electric communication technique (19) 19
wireless communications networks (18) 18
diastereoselective syntheses, enantioselective syntheses (16) 16
measuring (16) 16
organocatalysis (16) 16
testing (16) 16
metallurgy (13) 13
enantiomers (12) 12
china (11) 11
analysis (10) 10
catalysis (10) 10
blasting (9) 9
heating (9) 9
lighting (9) 9
mechanical engineering (9) 9
phylogeny (9) 9
weapons (9) 9
agriculture (8) 8
genetic variation (8) 8
human necessities (8) 8
technology (8) 8
evolution (7) 7
investigating or analysing materials by determining theirchemical or physical properties (7) 7
molecular structure (7) 7
phosphonates (7) 7
sequence analysis, dna (7) 7
transmission of digital information, e.g. telegraphiccommunication (7) 7
addition reactions (6) 6
aldehydes (6) 6
analogous arrangements using other waves (6) 6
conversion or distribution of electric power (6) 6
determining distance or velocity by use of radio waves (6) 6
environmental sciences & ecology (6) 6
generation (6) 6
haplotypes (6) 6
locating or presence-detecting by use of the reflection orreradiation of radio waves (6) 6
phylogeography (6) 6
radio direction-finding (6) 6
radio navigation (6) 6
animal husbandry (5) 5
animals (5) 5
asymmetry (5) 5
basic electric elements (5) 5
biology (5) 5
engineering (5) 5
fishing (5) 5
forestry (5) 5
hunting (5) 5
materials science (5) 5
molecular sequence data (5) 5
stereoisomerism (5) 5
synthesis (5) 5
trapping (5) 5
中国 (5) 5
aldol reaction (4) 4
asymmetric catalysis (4) 4
biochemistry & molecular biology (4) 4
cancer (4) 4
catalysts (4) 4
c‐c bond formation (4) 4
deoxyribonucleic acid--dna (4) 4
ecology (4) 4
environmental monitoring (4) 4
environmental sciences (4) 4
gene sequencing (4) 4
genetic diversity (4) 4
ketones (4) 4
life sciences & biomedicine - other topics (4) 4
materials science, multidisciplinary (4) 4
multidisciplinary sciences (4) 4
nitro compounds (4) 4
optics (4) 4
organic chemistry (4) 4
organo‐phosphorus compounds (4) 4
physical or chemical processes or apparatus in general (4) 4
population genetics (4) 4
science & technology - other topics (4) 4
separation (4) 4
云南 (4) 4
对策 (4) 4
民族地区 (4) 4
现状 (4) 4
acyclic or carbocyclic compounds (3) 3
agriculture, multidisciplinary (3) 3
more...
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


1. Full Text Switchable Synthesis of 3‑Substituted 1H‑Indazoles and 3,3-Disubstituted 3H‑Indazole-3-phosphonates Tuned by Phosphoryl Groups
by Chen, Guihua and Hu, Minglin and Peng, Yungui
Journal of organic chemistry, ISSN 0022-3263, 02/2018, Volume 83, Issue 3, pp. 1591 - 1597
Usage | Chemical properties | Ring formation (Chemistry) | Chemical synthesis | Methyl groups
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
2. Full Text Tandem nucleophilic addition/oxa-Michael reaction of ortho-formyl chalcones with dimethyl (diazomethyl)phosphonate for the synthesis of phosphine-containing 1,3-disubstituted phthalans
by Wei, Ximeng and Chen, Guihua and Peng, Yungui
Tetrahedron letters, ISSN 0040-4039, 08/2020, Volume 61, Issue 33, p. 152174
Tandem reaction | Dimethyl (diazomethyl)phosphonate | Ortho-formyl chalcones | Phosphine-containing 1,3-disubstituted phthalans
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
3. Full Text Enantioselective 1,3-Dipolar Cycloaddition of Methyleneindolinones with α-Diazomethylphosphonate to Access Chiral Spiro-phosphonylpyrazoline-oxindoles Catalyzed by Tertiary Amine Thiourea and 1,5-Diazabicyclo[4.3.0]non-5-ene
by Huang, Nan and Zou, Liangliang and Peng, Yungui
Organic letters, ISSN 1523-7060, 11/2017, Volume 19, Issue 21, pp. 5806 - 5809
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
4. Full Text Silver‐Catalyzed Oxidative C(sp3)−P Bond Formation through C−C and P−H Bond Cleavage
by Li, Lili and Huang, Wenbin and Chen, Lijin and Dong, Jiaxing and Ma, Xuebing and Peng, Yungui
Angewandte Chemie (International ed.), ISSN 1433-7851, 08/2017, Volume 56, Issue 35, pp. 10539 - 10544
cross-coupling | silver | C(sp3)−P bond formation | 1,3-dicarbonyl compounds | C−C bond cleavage | P bond formation | C(sp | Chemotherapy | Phosphonates | Cancer | Carbon-carbon composites | Coupling (molecular) | Silver | Cross coupling | Cleavage | Selectivity
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
5. Full Text Asymmetric Reaction of α‑Diazomethylphosphonates with α‑Ketoesters To Access Optically Active α‑Diazo-β-hydroxyphosphonate Derivatives
by Du, Fei and Zhou, Jiao and Peng, Yungui
Organic letters, ISSN 1523-7060, 03/2017, Volume 19, Issue 6, pp. 1310 - 1313
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
6. Full Text Organocatalytic Enantioselective 1,3-Dipolar Cycloadditions between Seyferth–Gilbert Reagent and Isatylidene Malononitriles: Synthesis of Chiral Spiro-phosphonylpyrazoline-oxindoles
by Du, Taiping and Du, Fei and Ning, Yanqiang and Peng, Yungui
Organic letters, ISSN 1523-7060, 03/2015, Volume 17, Issue 5, pp. 1308 - 1311
Stereoisomerism | Spiro Compounds - chemical synthesis | Nitriles - chemistry | Indoles - chemical synthesis | Molecular Structure | Isatin - chemistry | Indicators and Reagents - chemistry | Cycloaddition Reaction | Indoles - chemistry | Cinchona Alkaloids - chemistry | Spiro Compounds - chemistry | Index Medicus
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
7. Full Text Asymmetric [3+2] Cycloaddition Reactions of α‐Substituted Diazophosphonates with 3‐Acryloyl‐2‐oxazolidinone to Access Chiral Pyrazoline Derivatives with Phosphonyl at a Tetrasubstituted Stereogenic Center
by Huang, Nan and Tong, Xunfei and Zhou, Surong and Guo, Qixiang and Peng, Yungui
Advanced synthesis & catalysis, ISSN 1615-4150, 10/2019, Volume 361, Issue 20, pp. 4805 - 4810
phosphonylpyrazoline | asymmetric | α-Substituted diazophosphonate | chiral bis(oxazolines) | 1,3-dipolar cycloaddition | Substitutes | Cycloaddition | Derivatives | Asymmetry | Phosphonates
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
8. Full Text Enantioselective Sulfa-Michael Addition of Aromatic Thiols to [beta]-Substituted Nitroalkenes Promoted by a Chiral Multifunctional Catalyst
by Wei, Qi and Hou, Wenduan and Liao, Na and Peng, Yungui
Advanced synthesis & catalysis, ISSN 1615-4150, 07/2017, Volume 359, Issue 14, p. 2364
Enantiomers | Sulfides | Thiols | Catalysts | Nucleophiles | Aromatic compounds | Substrates | Scaling up
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
9. Full Text An Enantioselective Three‐Component Sulfa‐Michael/Aldol Cascade Reaction and its Application to the Synthesis of Thioaryl Substituted (−)‐Bestatin Derivatives
by Hou, Wenduan and Wei, Qi and Peng, Yungui
Advanced synthesis & catalysis, ISSN 1615-4150, 03/2016, Volume 358, Issue 7, pp. 1035 - 1041
organocatalysis | multifunctional catalyst | asymmetric catalysis | sulfa‐Michael/aldol reaction | cascade reaction | sulfa-Michael/aldol reaction | Sulfur compounds | Esters | Catalysis | Enantiomers | Synthesis | Asymmetry | Catalysts | Derivatives | Cascade chemical reactions | Aldehydes
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
10. Full Text Characteristics of rural agritainment sewage in Sichuan, China
by Ding, Ruonan and Li, Yungui and Yu, Xi and Peng, Yanmeng and Zhang, Zhigui and Wei, Liang
Water science and technology, ISSN 0273-1223, 2019, Volume 79, Issue 9, pp. 1695 - 1704
Grey water | Agritainment | Ratio of discharge volume to income | Direct discharge | Engineering | Physical Sciences | Engineering, Environmental | Life Sciences & Biomedicine | Technology | Water Resources | Environmental Sciences & Ecology | Science & Technology | Environmental Sciences | Water Pollutants, Chemical | Environmental Monitoring | China | Sewage - analysis | Water Pollution | Water treatment | Suspended particulate matter | Environmental management | Developing countries--LDCs | Tourism | Sewage disposal | Rural development | Pollution | Anions | Chemical oxygen demand | Questionnaires | Pollution surveys | Pollutants | Rural tourism | Blackwater | Pollution sources | Rural areas | Phosphorus | Surveying | Nitrogen | Environmental impact | Discharge | Surveys | Organic chemistry | Sewage | Greywater | Environmental science | Volume | Water pollution | Total suspended solids | Solid suspensions | Environmental indicators
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
11. Full Text Asymmetric [3+2] Cycloaddition Reactions of [alpha]-Substituted Diazophosphonates with 3-Acryloyl-2-oxazolidinone to Access Chiral Pyrazoline Derivatives with Phosphonyl at a Tetrasubstituted Stereogenic Center
by Huang, Nan and Tong, Xunfei and Zhou, Surong and Guo, Qixiang and Peng, Yungui
Advanced synthesis & catalysis, ISSN 1615-4150, 10/2019, Volume 361, Issue 20, p. 4805
Oxazoles | Phosphonates
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
12. Full Text Highly Efficient Asymmetric Mannich Reaction of Dialkyl α-Diazomethylphosphonates with N-Carbamoyl Imines Catalyzed by Chiral Brønsted Acids
by Zhang, Hui and Wen, Xiaojing and Gan, Lihua and Peng, Yungui
Organic letters, ISSN 1523-7060, 04/2012, Volume 14, Issue 8, pp. 2126 - 2129
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
13. Full Text Synthesis of Multifunctional 3‐Amino‐4‐phosphono‐2‐quinolinones via Regioselective Ring Enlargement of Imino Isatins
by Wen, Xiaojing and Chen, Jing and Peng, Yungui
Advanced synthesis & catalysis, ISSN 1615-4150, 12/2014, Volume 356, Issue 18, pp. 3794 - 3798
Imino isatin | Multifunction | Dimethyl (diazomethyl)phosphonate | 3‐Amino‐4‐dialkylphosphono‐2‐quinolinones | Ring expansion | 3-amino-4-dialkylphosphono-2-quinolinones | Phosphonates | Carbonates | Salicylic acid | Synthesis | Catalysis | Catalysts | Potassium carbonate | Enlargement
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
14. Full Text Highly dispersed (Cr, Sb)-co-doped rutile pigments of cool color with high near-infrared reflectance
by Zou, Jian and Zhang, Peng and Liu, Changhua and Peng, Yungui
Dyes and pigments, ISSN 0143-7208, 10/2014, Volume 109, pp. 113 - 119
Highly dispersed | NIR reflection | Co-doped | Rutile pigment | Cool color | Nonwhite | Engineering | Physical Sciences | Engineering, Chemical | Materials Science, Textiles | Chemistry | Materials Science | Technology | Chemistry, Applied | Science & Technology | Hydrolysis | Chromium | Raman spectroscopy | Reflectivity | Rutile | X-rays | Color | Pigments | Dispersion | Reflectance
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
15. Full Text Construction of Chiral 2‐Substituted Octahydroindoles from Cyclic Ketones and Nitroolefins Bearing only One α‐Substituent
by Han, Yong and Zheng, Bo and Peng, Yungui
Advanced synthesis & catalysis, ISSN 1615-4150, 04/2015, Volume 357, Issue 6, pp. 1136 - 1142
counteranion‐directed catalyst | asymmetric Michael addition | octahydroindoles | chiral phosphoric acids | chiral primary amines | counteranion-directed catalyst | Phosphoric acid | Amines | Ketones | Catalysts | Optical activity | Catalysis | Carbon | Optimization | Bearing
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
16. Full Text A Cation-Directed Enantioselective Sulfur-Mediated Michael/Mannich Three-Component Domino Reaction involving Chalcones as Michael Acceptors
by Ding, Ran and Zheng, Bo and Wang, Yan and Peng, Yungui
Organic letters, ISSN 1523-7060, 09/2015, Volume 17, Issue 17, pp. 4128 - 4131
Chalcones - chemistry | Imines - chemistry | Cations | Molecular Structure | Sulfur Compounds - chemical synthesis | Catalysis | Sulfur Compounds - chemistry | Azetidines - chemistry | Index Medicus
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
17. Full Text Application of 3-d FKK filtering in 3-d high-density onshore seismic field data
by Liao Jianping, Liao Jianping and Fu Songyuan, Fu Songyuan and Xu Yungui, Xu Yungui and Li Weibo, Li Weibo and Chen Jianxiong, Chen Jianxiong and Wang, Huazhong and Peng Suping, Peng Suping and Hursthouse, Andrew
Journal of environmental & engineering geophysics, ISSN 1083-1363, 9/2018, Volume 23, Issue 3, pp. 369 - 376
fast Fourier transforms | onshore | applied (geophysical surveys & methods) | computer programs | field studies | data processing | Geophysics | Fourier analysis | filters | seismic methods | Asia | interpretation | China | numerical models | three-dimensional models | noise | western China | data acquisition | geophysical methods | Far East | applications | stacking | Engineering, Geological | Engineering | Physical Sciences | Technology | Science & Technology | Geochemistry & Geophysics
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
18. Full Text Sulfonyl as a Traceless Activation Group for Enantioselective Mannich Reaction Catalyzed by Thiourea to Access Chiral β-Aminophosphonates
by Peng, Yungui and Ning, Yanqiang and Tan, Songlin and Li, Dezhong and Liao, Na
Synlett, ISSN 0936-5214, 03/2018, Volume 29, Issue 5, pp. 678 - 682
letter | organocatalysis | thioureas | asymmetric synthesis | Mannich Reaction | amidosulfones | aminophosphonates
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
19. Full Text Highly enantioselective Michael addition reactions in water catalyzed by an insoluble MPS-supported 4-sulfonamidyl prolinol tert-butyldiphenylsilyl ether
by Chuan, Yongming and Chen, Guihua and Peng, Yungui
Tetrahedron letters, ISSN 0040-4039, 2009, Volume 50, Issue 25, pp. 3054 - 3058
Enantiomers | Analysis
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
20. Full Text Asymmetric Mannich Reaction of Isatin-Based Ketimines with α-Diazomethylphosphonates Catalyzed by Chiral Silver Phosphate
by Chen, Jing and Wen, Xiaojing and Wang, Yan and Du, Fei and Cai, Liu and Peng, Yungui
Organic letters, ISSN 1523-7060, 09/2016, Volume 18, Issue 17, pp. 4336 - 4339
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
No results were found for your search.

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