Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. In an article, author is Majoumo-Mbe, Felicite, once mentioned the application of 108-36-1, Name is 1,3-Dibromobenzene, molecular formula is C6H4Br2, molecular weight is 235.904, MDL number is MFCD00000078, category is phthalazine. Now introduce a scientific discovery about this category, HPLC of Formula: C6H4Br2.
Synthesis, molecular and crystal structure of 1-(1,2-dihydrophthalazin-1-ylidene)-2-[1 -(thiophen-2-yl)ethylidene]hydrazine
The title compound, C14H12N4S, was synthesized by the condensation reaction of hydralazine and 2-acetylthiophene and during the reaction, a proton transfer from the imino nitrogen atom to one of the endocylic nitrogen atoms occurred. The compound crystallizes in the monoclinic crystal system with two independent molecules (molecules 1 and 2) in the asymmetric unit. In each molecule, there is a slight difference in the orientation of the thiophene ring with respect to phthalazine ring system, molecule 1 showing a dihedral angle of 42.51 (1)degrees compared to 8.48 (1)degrees in molecule 2. This implies an r.m.s deviation of 0.428 (1) angstrom between the two molecules for the 19 non-H atoms. The two independent molecules are connected via two N-H center dot center dot center dot N hydrogen bonds, forming dimers which interact by two bifurcated pi-pi stacking interactions to build tetrameric motifs. The latter are packed in the ac plane via weak C-H center dot center dot center dot pi interactions and along the b axis via C-H center dot center dot center dot N and C-H center dot center dot center dot pi interactions. This results a three-dimensional architecture with a tilted herringbone packing mode.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem