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References (16)
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Figure 4: Layer formation in the crystal structure of compound 11 through hydrogen bonding -
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- Publisher
- de Gruyter
- Copyright
- © 2020 Walter de Gruyter GmbH, Berlin/Boston
- ISSN
- 0932-0776
- eISSN
- 1865-7117
- DOI
- 10.1515/znb-2020-0027
- Publisher site
- See Article on Publisher Site
Abstract
AbstractThe synthesis of 2,2′-(Imidazo[1,5-a]pyridine-1,3-diyl)bis(2-hydroxy-1H-indene-1,3(2H)-dione) (11) is achieved by reaction of imidazo[1,5-a]pyridine (7) with two equivalents of ninhydrin (1) at room temperature. The structure of this new 1,3-bis-adduct 11 is evidenced from HRMS and NMR spectral data and confirmed by single-crystal X-ray crystallography. Employment of equimolar amounts of 1 and 7 gave a separable mixture of the respective 1- and 3-monomeric adducts (9, 10).
Journal
Zeitschrift für Naturforschung B – de Gruyter
Published: Aug 27, 2020