Organic Letters
Organic Letters
5 years ago

Direct Synthesis of Dipyrrolyldipyrrins from SNAr Reaction on 1,9-Dihalodipyrrins with Pyrroles and Their NIR Fluorescence “Turn-On” Response to Zn2+

Direct Synthesis of Dipyrrolyldipyrrins from SNAr Reaction on 1,9-Dihalodipyrrins with Pyrroles and Their NIR Fluorescence “Turn-On” Response to Zn2+
Wanxiao Liu, Wanle Sheng, En Dai, Yun Wei, Erhong Hao, Lijuan Jiao, Changjiang Yu, Wei Miao
A set of dipyrrolyldipyrrins have been efficiently synthesized from a direct SNAr reaction on 1,9-dihalodipyrrins with pyrroles and show intense absorption in the NIR region (650–800 nm, as HCl salts). Substituents on both 1,9-dihalodipyrrins and pyrroles greatly affected the reactivity of this SNAr reaction and the absorption properties of the resultant dipyrrolyldipyrrins. These dipyrrolyldipyrrins show sensitive and selective “turn-on” fluorescence response toward Zn2+.

Publisher URL: http://dx.doi.org/10.1021/acs.orglett.7b03206

DOI: 10.1021/acs.orglett.7b03206

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