In an article, author is Schuetz, Denise, once mentioned the application of 13676-54-5, Name is Bismaleimide, molecular formula is C21H14N2O4, molecular weight is 358.3469, MDL number is MFCD00005507, category is pyrrolines. Now introduce a scientific discovery about this category, Formula: C21H14N2O4.
4,4 ‘,4 ”-(Methanetriyl)triphenyl tris(2,2,5,5-tetramethyl-1-oxyl-3-pyrroline-3-carboxylate) benzene trisolvate
In the asymmetric unit of the title compound, C(46)H(52)N(3)O(9)center dot 3C(6)H(6), two of the benzene solvent molecules are located in general positions and two are disposed about inversion centers. One of the benzene molecules on an inversion center was grossly disordered and was excluded using the SQUEEZE subroutine in PLATON [Spek (2009). Acta Cryst. D65, 148-155]. In addition, one of the 2,2,5,5-tetramethyl-1-oxyl-3-pyrrolin- 3-ylcarbonyl groups is disordered over two orientations with refined occupancies of 0.506 (2) and 0.494 (2). The 1-oxyl-3-pyrroline-3-carboxylate groups are essentially planar, with mean deviations from the planes of 0.026 (2), 0.012 (2), 0.034 (4) and 0.011 (4) angstrom. In the crystal structure, molecules are connected by five weak intermolecular C-H center dot center dot center dot O and four weak intermolecular C-H center dot center dot center dot pi (benzene) interactions.
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Reference:
Pyrroline – Wikipedia,
,1-Pyrroline | C4H7N – PubChem