Carbon-based leaving group capability of Meldrum’s acid in substitution reactions: a new strategy toward the synthesis of 4-phenyl-3, 4-dihydro-2H-benzo[g]chromene-2, 5, 10-triones

Carbon-based leaving group capability of Meldrum’s acid in substitution reactions: a new... * Minoo Dabiri m_dabiri@sbu.ac.ir * Ayoob Bazgir a_bazgir@sbu.ac.ir Department of Chemistry, Shahid Beheshti University, General Campus, Tehran 1983963113, Iran 1 3 1900 J IRAN CHEM SOC (2017) 14:1899–1907 Keywords 3,4-Dihydro-2H-benzo[g]chromene-2,5,10- and CNMR spectra were obtained in DMSO-d using triones · Meldrum’s acid arylidene Meldrum’s acid · TMS as internal standard. Benzo[g]chromene-triones · Meldrum’s acid · Arylidene Meldrum’s acid · 2-Hydroxynaphthalene-1,4-dione X‑ray crystallography The X-ray diffraction measurements were taken with a Introduction STOE IPDS-II diffractometer with graphite-monochro- mated MoKa radiation. Cell constants and an orienta- The use of environmentally friendly methods and reagents tion matrix for data collection were obtained by least- to deplete undesirable products, harsh work-up procedures, squares refinement of diffraction data from 4998 unique and evaluation of toxic gases is important in synthetic reflections for 6a. Data were collected at a temperature chemistry and the chemical industry. Within the recent of 298(2) K to a maximum 2q value of 51.988 and in a years, the development of sustainable, eco-friendly routes series of w scans in 18 oscillations and integrated using for the construction of medicinally important compounds the Stoe X-AREA [27] software package. The data were has become a significant area in the field of synthesis [1]. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of the Iranian Chemical Society Springer Journals

Carbon-based leaving group capability of Meldrum’s acid in substitution reactions: a new strategy toward the synthesis of 4-phenyl-3, 4-dihydro-2H-benzo[g]chromene-2, 5, 10-triones

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2017 by Iranian Chemical Society
Subject
Chemistry; Analytical Chemistry; Inorganic Chemistry; Physical Chemistry; Biochemistry, general; Organic Chemistry
ISSN
1735-207X
eISSN
1735-2428
D.O.I.
10.1007/s13738-017-1129-6
Publisher site
See Article on Publisher Site

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