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1. Full Text Multifunctional organoboron compounds for scalable natural product synthesis
by Meng, Fanke and Meng, Fanke and McGrath, Kevin P and McGrath, Kevin P and Hoveyda, Amir H and Hoveyda, Amir H
Nature (London), ISSN 0028-0836, 2014, Volume 513, Issue 7518, pp. 367 - 374
Science & Technology - Other Topics | Multidisciplinary Sciences | Science & Technology | Monosaccharides - chemical synthesis | Pyrans - chemical synthesis | Boron - chemistry | Stereoisomerism | Antineoplastic Agents - chemical synthesis | Fatty Alcohols - chemical synthesis | Fatty Alcohols - chemistry | Alkenes - chemical synthesis | Antineoplastic Agents - chemistry | Anti-Bacterial Agents - chemical synthesis | Alkenes - chemistry | Biological Products - chemical synthesis | Biological Products - chemistry | Animals | Copper - chemistry | Pyrans - chemistry | Anti-Bacterial Agents - chemistry | Catalysis | Porifera - chemistry | Monosaccharides - chemistry | Usage | Natural products | Chemical properties | Chemical synthesis | Organoboron compounds | Methods | Production processes | Phosphates | Boron | Index Medicus
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2. Full Text Enantioselective Synthesis of Dihydrospiro[indoline-3,4′-pyrano[2,3‑c]pyrazole] Derivatives via Michael/Hemiketalization Reaction
by Kumarswamyreddy, Nandarapu and Kesavan, Venkitasamy
Organic letters, ISSN 1523-7060, 03/2016, Volume 18, Issue 6, pp. 1354 - 1357
Pyrans - chemical synthesis | Pyrazolones - chemistry | Pyrazoles - chemical synthesis | Stereoisomerism | Indoles - chemical synthesis | Thiourea - chemistry | Proline - chemistry | Pyrazoles - chemistry | Pyrans - chemistry | Spiro Compounds - chemical synthesis | Amides - chemistry | Molecular Structure | Indoles - chemistry | Spiro Compounds - chemistry | Index Medicus
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3. Full Text Phosphine‐Catalyzed Enantioselective Synthesis of Oxygen Heterocycles
by Chung, Ying Kit and Fu, Gregory C
Angewandte Chemie (International ed.), ISSN 1433-7851, 03/2009, Volume 48, Issue 12, pp. 2225 - 2227
oxygen heterocycles | asymmetric catalysis | phosphanes | isomerization | cyclization | Phosphanes | Cyclization | Oxygen heterocycles | Asymmetric catalysis | Isomerization | Pyrans - chemical synthesis | Stereoisomerism | Heterocyclic Compounds - chemical synthesis | Phosphines - chemistry | Heterocyclic Compounds - chemistry | Furans - chemistry | Pyrans - chemistry | Oxygen - chemistry | Chromans - chemical synthesis | Catalysis | Furans - chemical synthesis | Chromans - chemistry | Index Medicus
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4. Full Text Prins‐Type Macrocyclizations as an Efficient Ring‐Closing Strategy in Natural Product Synthesis
by Crane, Erika A and Scheidt, Karl A
Angewandte Chemie (International ed.), ISSN 1433-7851, 11/2010, Volume 49, Issue 45, pp. 8316 - 8326
total synthesis | polyketides | macrocycles | cyclization | synthesis design | Polyketides | Synthesis design | Cyclization | Macrocycles | Total synthesis | Physical Sciences | Chemistry | Chemistry, Multidisciplinary | Science & Technology | Rifabutin - chemistry | Macrocyclic Compounds - chemistry | Stereoisomerism | Rifabutin - analogs & derivatives | Disaccharides - chemistry | Bryostatins - chemistry | Disaccharides - chemical synthesis | Biological Products - chemical synthesis | Biological Products - chemistry | Macrolides - chemistry | Macrolides - chemical synthesis | Pyrans - chemistry | Rifabutin - chemical synthesis | Bryostatins - chemical synthesis | Index Medicus
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5. Full Text Highly Stereocontrolled Synthesis of trans-2,6-Disubstituted-5-methyl-3,6-dihydropyrans: Stereoselective Synthesis of the Bicyclic Core of Penostatin B
by Reddy, D. Srinivas and Padhi, Birakishore and Mohapatra, Debendra K
Journal of organic chemistry, ISSN 0022-3263, 02/2015, Volume 80, Issue 3, pp. 1365 - 1374
Benzopyrans - chemistry | Pyrans - chemical synthesis | Benzopyrans - chemical synthesis | Cyclization | Pyrans - chemistry | Stereoisomerism | Molecular Structure | Catalysis | Research | Chemical properties | Chemical synthesis | Heterocyclic aromatic compounds | Index Medicus
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6. Full Text Regiocontrolled Intramolecular Cyclizations of Carboxylic Acids to Carbon−Carbon Triple Bonds Promoted by Acid or Base Catalyst
by Uchiyama, Masanobu and Ozawa, Hiroki and Takuma, Kazuya and Matsumoto, Yotaro and Yonehara, Mitsuhiro and Hiroya, Kou and Sakamoto, Takao
Organic letters, ISSN 1523-7060, 11/2006, Volume 8, Issue 24, pp. 5517 - 5520
Anti-Bacterial Agents - chemical synthesis | Pyrans - chemical synthesis | Hydrangea - chemistry | Cyclization | Carboxylic Acids - chemical synthesis | Heterocyclic Compounds - chemical synthesis | Isocoumarins - chemical synthesis | Catalysis | Furans - chemical synthesis | Index Medicus
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7. Full Text A Chemoenzymatic Synthesis of Hept-6-ene-2,5-diol Stereomers: Application to Asymmetric Synthesis of Decarestrictine L, Pyrenophorol, and Stagonolide E
by Chatterjee, Sucheta and Ghadigaonkar, Sneha and Sur, Payel and Sharma, Anubha and Chattopadhyay, Subrata
Journal of organic chemistry, ISSN 0022-3263, 09/2014, Volume 79, Issue 17, pp. 8067 - 8076
Pyrans - chemical synthesis | Stereoisomerism | Heterocyclic Compounds - chemical synthesis | Lipase - metabolism | Lipase - chemistry | Heterocyclic Compounds, 1-Ring - chemical synthesis | Lactones - chemical synthesis | Heterocyclic Compounds - chemistry | Heterocyclic Compounds, 1-Ring - chemistry | Macrolides - chemistry | Ketones - chemical synthesis | Pyrans - chemistry | Ketones - chemistry | Molecular Structure | Catalysis | Acylation | Lactones - chemistry | Stereoisomers | Chemical synthesis | Lipase | Analysis | Index Medicus
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8. Full Text Stereoselective Synthesis of 2,6‐cis‐Tetrahydropyrans through a Tandem Allylic Oxidation/Oxa‐Michael Reaction Promoted by the gem‐Disubstituent Effect: Synthesis of (+)‐Neopeltolide Macrolactone
by Kim, Hyoungsu and Park, Yongho and Hong, Jiyong
Angewandte Chemie (International ed.), ISSN 1433-7851, 09/2009, Volume 48, Issue 41, pp. 7577 - 7581
natural products | tetrahydropyrans | gem‐disubstituent effect | tandem reactions | oxa‐Michael addition | Oxa-michael addition | Gem-disubstituent effect | Natural products | Tandem reactions | Tetrahydropyrans | Pyrans - chemical synthesis | Lactones - chemical synthesis | Macrolides - chemistry | Oxidation-Reduction | Macrolides - chemical synthesis | Pyrans - chemistry | Stereoisomerism | Molecular Structure | Lactones - chemistry | Index Medicus
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9. Full Text Stereoselective Synthesis of Spirocyclic Oxindoles via Prins Cyclizations
by Castaldi, M. Paola and Troast, Dawn M and Porco, John A
Organic letters, ISSN 1523-7060, 08/2009, Volume 11, Issue 15, pp. 3362 - 3365
Pyrans - chemical synthesis | Oxindoles | Silanes - chemistry | Oxepins - chemical synthesis | Stereoisomerism | Oxepins - chemistry | Indoles - chemical synthesis | Isatin - chemistry | Alkenes - chemical synthesis | Silanes - chemical synthesis | Alkenes - chemistry | Propanols - chemistry | Cyclization | Pyrans - chemistry | Indoles - chemistry | Spiro Compounds - chemistry | Index Medicus
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10. Full Text Type II Anion Relay Chemistry: Exploiting Bifunctional Weinreb Amide Linchpins for the One‐Pot Synthesis of Differentiated 1,3‐Diketones, Pyrans, and Spiroketals
by Farrell, Mark and Melillo, Bruno and Smith, Amos B
Angewandte Chemie (International ed.), ISSN 1433-7851, 01/2016, Volume 55, Issue 1, pp. 232 - 235
Brook rearrangement | Weinreb amides | anion relay chemistry | 1,3‐diketones | spiroketals | 1,3-diketones | Pyrans - chemical synthesis | Ketones - chemical synthesis | Pyrans - chemistry | Spiro Compounds - chemical synthesis | Ketones - chemistry | Amides - chemistry | Molecular Structure | Anions - chemical synthesis | Anions - chemistry | Spiro Compounds - chemistry | Ketones | Index Medicus
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11. Full Text Diastereoselective Synthesis of Dihydropyrans via Prins Cyclization of Enol Ethers: Total Asymmetric Synthesis of (+)-Civet Cat Compound
by Sultana, Sabera and Indukuri, Kiran and Deka, Manash J and Saikia, Anil K
Journal of organic chemistry, ISSN 0022-3263, 12/2013, Volume 78, Issue 23, pp. 12182 - 12188
Biological Products - chemical synthesis | Pyrans - chemical synthesis | Biological Products - chemistry | Animals | Cyclization | Pyrans - chemistry | Stereoisomerism | Ethers - chemistry | Molecular Structure | Viverridae | Ring formation (Chemistry) | Research | Chemical properties | Enols | Index Medicus
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12. Full Text A facile one-pot green synthesis and antibacterial activity of 2-amino-4H-pyrans and 2-amino-5-oxo-5,6,7,8-tetrahydro-4H-chromenes
by Kumar, Dalip and Reddy, V. Buchi and Sharad, Shashwat and Dube, Urvashi and Kapur, Suman
European journal of medicinal chemistry, ISSN 0223-5234, 09/2009, Volume 44, Issue 9, pp. 3805 - 3809
2-Amino-4H-pyrans | Antibacterial activity | Tetrahydro-4H-chromenes | Magnesium oxide | Multi-component reaction | Biological and medical sciences | Medical sciences | Antibacterial agents | Pharmacology. Drug treatments | Antibiotics. Antiinfectious agents. Antiparasitic agents | Pyrans - chemical synthesis | Escherichia coli - drug effects | Structure-Activity Relationship | Pseudomonas aeruginosa - drug effects | Anti-Bacterial Agents - chemical synthesis | Benzopyrans - chemistry | Microbial Sensitivity Tests | Benzopyrans - chemical synthesis | Pyrans - chemistry | Anti-Bacterial Agents - chemistry | Pseudomonas putida - drug effects | Anti-Bacterial Agents - pharmacology | Catalysis | Benzopyrans - pharmacology | Staphylococcus aureus - drug effects | Pyrans - pharmacology | Magnesium compounds | Index Medicus
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13. Full Text Synthesis of biscoumarin and dihydropyran derivatives with promising antitumor and antibacterial activities
by Li, Jing and Sui, Yun-Peng and Xin, Jia-Jia and Du, Xin-Liang and Li, Jiang-Tao and Huo, Hai-Ru and Ma, Hai and Wang, Wei-Hao and Zhou, Hai-Yu and Zhan, Hong-Dan and Wang, Zhu-Ju and Li, Chun and Sui, Feng and Li, Xia
Bioorganic & medicinal chemistry letters, ISSN 0960-894X, 12/2015, Volume 25, Issue 23, pp. 5520 - 5523
Antibacterial | Biscoumarin | Antitumor | Dihydropyran | Pyrans - chemical synthesis | Carboplatin - chemistry | Apoptosis - drug effects | Antineoplastic Agents - chemical synthesis | Humans | Models, Molecular | Coumarins - chemistry | Crystallography, X-Ray | Antineoplastic Agents - chemistry | Anti-Bacterial Agents - chemical synthesis | Coumarins - pharmacology | Microbial Sensitivity Tests | Pyrans - chemistry | Anti-Bacterial Agents - chemistry | Coumarins - chemical synthesis | Cell Line, Tumor | Inhibitory Concentration 50 | Anti-Bacterial Agents - pharmacology | Antineoplastic Agents - pharmacology | Cell Proliferation - drug effects | Carboplatin - pharmacology | Staphylococcus aureus - drug effects | Pyrans - pharmacology | Carboplatin - chemical synthesis | Antibacterial agents | Index Medicus
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14. Full Text Iron-Catalyzed Cyclization of Alkynols with Diorganyl Diselenides: Synthesis of 2,5-Dihydrofuran, 3,6-Dihydro-2H-pyran, and 2,5-Dihydro-1H-pyrrole Organoselanyl Derivatives
by Casola, Kamila K and Back, Davi F and Zeni, Gilson
Journal of organic chemistry, ISSN 0022-3263, 08/2015, Volume 80, Issue 15, pp. 7702 - 7712
Pyrans - chemical synthesis | Pyrroles - chemical synthesis | Cyclization | Furans - chemistry | Pyrans - chemistry | Iron - chemistry | Pyrroles - chemistry | Molecular Structure | Catalysis | Furans - chemical synthesis | Amino Alcohols - chemistry | Organoselenium Compounds - chemistry | Iron | Ring formation (Chemistry) | Research | Chemical properties | Chemical synthesis | Organosulfur compounds | Index Medicus
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15. Full Text A Total Synthesis of Norhalichondrin B
by Jackson, Katrina L and Henderson, James A and Motoyoshi, Hajime and Phillips, Andrew J
Angewandte Chemie (International ed.), ISSN 1433-7851, 03/2009, Volume 48, Issue 13, pp. 2346 - 2350
pyrans | polyethers | total synthesis | metathesis | Polyethers | Total synthesis | Metathesis | Pyrans | Pyrans - chemical synthesis | Furans - chemical synthesis | Furans - chemistry | Pyrans - chemistry | Hydrogenation | Index Medicus | natural products
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16. Full Text Enantioselective Synthesis of a Cyclopropane Derivative of Spliceostatin A and Evaluation of Bioactivity
by Ghosh, Arun K and Reddy, Guddeti Chandrashekar and Kovela, Satish and Relitti, Nicola and Urabe, Veronica K and Prichard, Beth E and Jurica, Melissa S
Organic letters, ISSN 1523-7060, 11/2018, Volume 20, Issue 22, pp. 7293 - 7297
Pyrans - chemical synthesis | Stereoisomerism | Antineoplastic Agents - chemical synthesis | Humans | Antineoplastic Agents - chemistry | Cyclopropanes - chemistry | Cyclopropanes - chemical synthesis | Pyrans - chemistry | Spiro Compounds - chemical synthesis | Antineoplastic Agents - pharmacology | Molecular Structure | HeLa Cells | Pyrans - pharmacology | Spiro Compounds - chemistry | Spiro Compounds - pharmacology | Cyclopropanes - pharmacology | Index Medicus
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17. Full Text Highly Stereoselective Brønsted Acid Catalyzed Synthesis of Spirooxindole Pyrans
by Wang, Jingqi and Crane, Erika A and Scheidt, Karl A
Organic letters, ISSN 1523-7060, 06/2011, Volume 13, Issue 12, pp. 3086 - 3089
Pyrans - chemical synthesis | Combinatorial Chemistry Techniques | Cyclization | Pyrans - chemistry | Stereoisomerism | Spiro Compounds - chemical synthesis | Indoles - chemical synthesis | Molecular Structure | Catalysis | Indoles - chemistry | Spiro Compounds - chemistry | Index Medicus
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18. Full Text Stereoselective Synthesis of Hexahydro‑1H‑spiro[isoquinoline-4,4′-pyran] Scaffolds through an Intramolecular Prins Cascade Process
by Subba Reddy, B. V and Medaboina, Durgaprasad and Sridhar, B
Journal of organic chemistry, ISSN 0022-3263, 01/2015, Volume 80, Issue 1, pp. 653 - 660
Isoquinolines - chemistry | Pyrans - chemical synthesis | Cyclization | Pyrans - chemistry | Stereoisomerism | Isoquinolines - chemical synthesis | Boranes - chemistry | Molecular Structure | Aldehydes - chemistry | Quinoline | Chemical properties | Chemical synthesis | Analysis | Methyl groups | Electric properties | Index Medicus
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19. Full Text Practical and efficient synthesis of pyrano[3,2- c]pyridone, pyrano[4,3- b]pyran and their hybrids with nucleoside as potential antiviral and antileishmanial agents
by Fan, Xuesen and Feng, Dong and Qu, Yingying and Zhang, Xinying and Wang, Jianji and Loiseau, Philippe M and Andrei, Graciela and Snoeck, Robert and Clercq, Erik De
Bioorganic & medicinal chemistry letters, ISSN 0960-894X, 2010, Volume 20, Issue 3, pp. 809 - 813
Pyrano[4,3- b]pyran | Antivirals | Antileishmanial agents | Ionic liquids | Hybrid compounds | Pyrano[3,2- c]pyridone | Pyrimidine nucleoside | Pyrano[4,3-b]pyran | Pyrano[3,2-c]pyridone | Physical Sciences | Chemistry | Chemistry, Organic | Life Sciences & Biomedicine | Pharmacology & Pharmacy | Chemistry, Medicinal | Science & Technology | Cell Line | Pyrans - chemical synthesis | Antiviral Agents - pharmacology | Leishmania donovani - physiology | Nucleosides - chemical synthesis | Leishmania donovani - drug effects | Humans | Antiprotozoal Agents - pharmacology | Pyridones - chemical synthesis | Antiviral Agents - chemical synthesis | Nucleosides - pharmacology | Antiprotozoal Agents - chemical synthesis | Pyrimidine Nucleosides - pharmacology | Pyrans - pharmacology | Pyrimidine Nucleosides - chemical synthesis | Pyridones - pharmacology | Nucleosides | Antiviral agents | Pyrimidines | Environmental sciences | Index Medicus
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