LUDOX HS-40 Catalyzed Pot, Atom and Step Economic (PASE) Synthesis of Pyran Annulated Heterocyclic Scaffolds

Aniruddha Molla, Sahid Hussain, Borax catalyzed domino reactions: synthesis of highly functionalised pyridines, dienes, anilines and dihydropyrano[3,2-c]chromenes RSC Advances. ,vol. 4, pp. 29750- 29758 ,(2014) , 10.1039/C4RA03627A

Michael T. Flavin, John D. Rizzo, Albert Khilevich, Alla Kucherenko, Abram K. Sheinkman, Vilayphone Vilaychack, Lin Lin, Wei Chen, Eugenia Mata Greenwood, Thitima Pengsuparp, John M. Pezzuto, Stephen H. Hughes, Thomas M. Flavin, Michael Cibulski, William A. Boulanger, Robert L. Shone, Ze-Qi Xu, Synthesis, chromatographic resolution, and anti-human immunodeficiency virus activity of (±)-calanolide A and its enantiomers Journal of Medicinal Chemistry. ,vol. 39, pp. 1303- 1313 ,(1996) , 10.1021/JM950797I

Dalip Kumar, V. Buchi Reddy, Shashwat Sharad, Urvashi Dube, Suman Kapur, 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. European Journal of Medicinal Chemistry. ,vol. 44, pp. 3805- 3809 ,(2009) , 10.1016/J.EJMECH.2009.04.017

Boris I. Usachev, 2-(Trifluoromethyl)-4H-pyran-4-ones: Convenient, available and versatile building-blocks for regioselective syntheses of trifluoromethylated organic compounds Journal of Fluorine Chemistry. ,vol. 172, pp. 80- 91 ,(2015) , 10.1016/J.JFLUCHEM.2015.01.012

Malleshwar Darbarwar, V. Sundaramurthy, Synthesis of Coumarins with 3:4-Fused Ring Systems and their Physiological Activity Synthesis. ,vol. 1982, pp. 337- 388 ,(1982) , 10.1055/S-1982-29806

Akino Jossang, Per Jossang, Hamid A. Hadi, Thierry Sevenet, Bernard Bodo, Horsfiline, an oxindole alkaloid from Horsfieldia superba Journal of Organic Chemistry. ,vol. 56, pp. 6527- 6530 ,(1991) , 10.1021/JO00023A016

Dong-Oh Moon, Yung Hyun Choi, Nam-Duk Kim, Yeong-Min Park, Gi-Young Kim, Anti-inflammatory effects of β-lapachone in lipopolysaccharide-stimulated BV2 microglia International Immunopharmacology. ,vol. 7, pp. 506- 514 ,(2007) , 10.1016/J.INTIMP.2006.12.006

L Bonsignore, G Loy, D Secci, A Calignano, Synthesis and pharmacological activity of 2-oxo-(2H) 1-benzopyran-3-carboxamide derivatives European Journal of Medicinal Chemistry. ,vol. 28, pp. 517- 520 ,(1993) , 10.1016/0223-5234(93)90020-F

B. Trost, The atom economy--a search for synthetic efficiency Science. ,vol. 254, pp. 1471- 1477 ,(1991) , 10.1126/SCIENCE.1962206

Didier Astruc, Feng Lu, Jaime Ruiz Aranzaes, Nanoparticles as Recyclable Catalysts: The Frontier between Homogeneous and Heterogeneous Catalysis Angewandte Chemie International Edition. ,vol. 44, pp. 7852- 7872 ,(2005) , 10.1002/ANIE.200500766