| Research Article | 
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ECB. 2017; 6(12): 536-538 SYNTHESIS AND CRYSTAL STRUCTURE OF 3,3,6,6-TETRAMETHYL-9-(2-HYDROXYPHENYL)-3,4,6,7,9,10-HEXAHYDROACRIDINE-1,8- DIONE
Imran Hussain, Sumati Anthal, M. B. Deshmukh, Rajni Kant. Abstract | | | | The title compound 3,3,6,6-tetramethyl-9-(2-hydroxyphenyl)-3,4,6,7,9,10-hexahydroacridine-1,8-dione, crystallizes in the orthorhombic space group Pna21 with unit cell parameters: a = 13.669(5) Å, b = 14.753(5) Å, c = 10.043(5) Å, Z=8. The crystal structure is solved by Direct methods and refined by full matrix least squares procedure to a final R value of 0.0982 for 2602 observed reflections. The crystal structure is stabilized by N1–H1⋅⋅⋅O2, O3–H3⋅⋅⋅O1 and C13–H13⋅⋅⋅O3 hydrogen bonds.
Key words: Crystal structure; Acridine; Direct methods; Hydrogen bonds; Ring conformations.
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