{We have|We’ve|We’ve got} {recently|lately|not too long ago} reported the synthesis and application of boron-nitrogen dihydroindeno[1,2-b]fluorene derivatives as acceptors in organic photovoltaic (OPV) devices. Their modest observed efficiencies {may|might|could|may possibly|may well|may perhaps} be {related|associated|connected} {to the|towards the|for the} properties of their {reduced|decreased|lowered} congeners. {In this|Within this} {work|function|perform|operate}, we report two new members of this {family|family members|loved ones|household} of compounds {prepared|ready} {via|by way of|through|by means of} the electrophilic borylation of {2|two},5-di-p-tolylpyrazine followed by an arylation {of the|from the|in the|on the|with the|of your} boron centre with ZnAr2 reagents. Two derivatives, 1 (Ar = {2|two},{4|four},6-F3C6H2) and {2|two} (Ar = C6F5) {were|had been|have been} synthesized, and their radical anions, 1•− and 2•−, {were|had been|have been} formed {via|by way of|through|by means of} chemical reductions with CoCp*2 and CoCp2, respectively. {Through|Via|By means of|By way of} comparison of structural parameters, {as well|also|too|at the same time} as spectroscopic and computational {data|information}, the unpaired electron {in the|within the|inside the} radical anions is localized {in the|within the|inside the} planar core {of the|from the|in the|on the|with the|of your} molecule, and dimerization is disfavored {as a result|consequently|because of this}. {However|Nevertheless|Nonetheless|Even so|On the other hand|Having said that}, {unlike|in contrast to|as opposed to} the neutral {starting|beginning} {materials|supplies|components}, 1•− and 2•− are reactive towards ambient atmosphere. These observations {suggest|recommend} that the {reduced|decreased|lowered} compounds are {stable|steady} towards intrinsic degradation pathways but {subject|topic} to extrinsic degradation in device operation. Price of 94928-86-6 N-Methylsulfamoyl chloride custom synthesis PMID:26760947
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