Fluorinated dithienyl-diketopyrrolopyrrole: a new building block for organic optoelectronic materials was written by Wang, Xiaohua;Jiang, Bin;Du, Chenchen;Ren, Xiaolei;Duan, Zhiming;Wang, Hongyu. And the article was included in New Journal of Chemistry in 2019.HPLC of Formula: 13669-10-8 This article mentions the following:
Diketopyrrolopyrrole (DPP) derivatives have been widely used as the electron-withdrawing unit to construct donor-acceptor (D-A) conjugated systems in organic electronics. The 3,6-position flanking aromatic rings of DPP could strongly influence the optoelectronic properties of DPP-based materials. In this study, a stepwise synthesis strategy was used to prepare monofluorinated and difluorinated dithienyl-DPP. The single crystal of the difluorinated model compound was also obtained. Three polymers based on bithiophene donor and dithienyl-DPP acceptor with different fluorinated positions were synthesized. And preliminary investigations of the influence of fluorination on the optoelectronic properties were performed. In the experiment, the researchers used many compounds, for example, Ethyl 3-oxo-3-(thiophen-2-yl)propanoate (cas: 13669-10-8HPLC of Formula: 13669-10-8).
Ethyl 3-oxo-3-(thiophen-2-yl)propanoate (cas: 13669-10-8) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Esters are more polar than ethers but less polar than alcohols. They participate in hydrogen bonds as hydrogen-bond acceptors, but cannot act as hydrogen-bond donors, unlike their parent alcohols. This ability to participate in hydrogen bonding confers some water-solubility.HPLC of Formula: 13669-10-8
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics