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Krishnan J, Sinu CR, Anusree M, Seetha Lakshmi KC, Mayadevi TS, Eringathodi S, Nair V. Synthesis of Cyclopentachromans byN-Heterocyclic Carbene-Mediated Homoenolate Annulation of Chroman-3-ene-4-ones. ASIAN J ORG CHEM 2016. [DOI: 10.1002/ajoc.201600074] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Jagadeesh Krishnan
- Chemical Sciences and Technology Division; National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Trivandrum 695 019 India
- Academy of Scientific and Innovative Research, New Delhi; 110001 India
| | - C. R. Sinu
- Chemical Sciences and Technology Division; National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Trivandrum 695 019 India
| | - M. Anusree
- Chemical Sciences and Technology Division; National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Trivandrum 695 019 India
| | - K. C. Seetha Lakshmi
- Chemical Sciences and Technology Division; National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Trivandrum 695 019 India
- School of Chemical Sciences; Mahatma Gandhi University; Kottayam 686560 India
| | - T. S. Mayadevi
- Chemical Sciences and Technology Division; National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Trivandrum 695 019 India
| | - Suresh Eringathodi
- Analytical Department and Centralized Instrument Facility; CSIR-CSMCRI; Bhavnagar 364 002 India
| | - Vijay Nair
- Chemical Sciences and Technology Division; National Institute for Interdisciplinary Science and Technology (CSIR-NIIST); Trivandrum 695 019 India
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Moon HR, Yu J, Kim KH, Kim JN. Synthesis of Pyrazolo[1,5-a]quinolines from 1-Aryl-5-styrylpyrazoles via Intramolecular Friedel-Crafts Reaction/Aerobic Oxidation. B KOREAN CHEM SOC 2015. [DOI: 10.1002/bkcs.10225] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Hye Ran Moon
- Department of Chemistry and Institute of Basic Science; Chonnam National University; Gwangju 500-757 Korea
| | - Jin Yu
- Department of Chemistry and Institute of Basic Science; Chonnam National University; Gwangju 500-757 Korea
| | - Ko Hoon Kim
- Department of Chemistry and Institute of Basic Science; Chonnam National University; Gwangju 500-757 Korea
| | - Jae Nyoung Kim
- Department of Chemistry and Institute of Basic Science; Chonnam National University; Gwangju 500-757 Korea
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Seetha Lakshmi KC, Krishnan J, Sinu CR, Varughese S, Nair V. N-Heterocyclic Carbene Catalyzed Annulation of Enals to Aurone Analogs: Synthesis of Cyclopentene-Fused Spirobenzofuran-3-ones. Org Lett 2014; 16:6374-7. [DOI: 10.1021/ol5031684] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- K. C. Seetha Lakshmi
- Chemical
Science and Technology Division, National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum-695 019, India
- School
of Chemical Sciences, Mahatma Gandhi University, Kottayam-686 560, India
| | - Jagadeesh Krishnan
- Chemical
Science and Technology Division, National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum-695 019, India
| | - C. R. Sinu
- Chemical
Science and Technology Division, National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum-695 019, India
| | - Sunil Varughese
- Chemical
Science and Technology Division, National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum-695 019, India
| | - Vijay Nair
- Chemical
Science and Technology Division, National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum-695 019, India
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Seetha Lakshmi KC, Sinu CR, Padmaja DVM, Gopinathan A, Suresh E, Nair V. A Novel Intramolecular Homoenolate Annulation Leading to the Formation of Cyclopentene-Fused Macrocycles. Org Lett 2014; 16:5532-5. [DOI: 10.1021/ol5023239] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- K. C. Seetha Lakshmi
- Organic
Chemistry Section, National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum 695 019, India
- School
of Chemical Sciences, Mahatma Gandhi University, Kottayam 686 560, India
| | - C. R. Sinu
- Organic
Chemistry Section, National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum 695 019, India
| | - D. V. M. Padmaja
- Organic
Chemistry Section, National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum 695 019, India
| | | | - Eringathodi Suresh
- Analytical
Department and Centralized Instrument Facility, CSIR-CSMCRI, Bhavnagar 364 002, India
| | - Vijay Nair
- Organic
Chemistry Section, National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum 695 019, India
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Sinu CR, Suresh E, Nair V. N-Heterocyclic Carbene Catalyzed Reaction of Cinnamils Leading to the Formation of 2,3,8-Triaryl Vinyl Fulvenes: An Uncommon Transformation. Org Lett 2013; 15:6230-3. [DOI: 10.1021/ol4030748] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- C. R. Sinu
- Organic Chemistry Section National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum - 695 019, India, and Analytical Department and Centralized Instrument Facility CSIR-CSMCRI, Bhavnagar - 364 002, India
| | - Eringathodi Suresh
- Organic Chemistry Section National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum - 695 019, India, and Analytical Department and Centralized Instrument Facility CSIR-CSMCRI, Bhavnagar - 364 002, India
| | - Vijay Nair
- Organic Chemistry Section National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum - 695 019, India, and Analytical Department and Centralized Instrument Facility CSIR-CSMCRI, Bhavnagar - 364 002, India
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