1454901-97-3

Upstream product

• 112-35-6 triethylene glucol monomethyl ether 
• 52995-76-3 1-chloro-3,6,9-trioxadecane 
• 84632-54-2 3,6-bis(4-bromophenyl)-2,5-dihydropyrrolo[3, 4-c]pyrrole-1,4-dione 
• 90948-78-0 2-(2-(2-methoxyethoxy)ethoxy)ethyl 2-chloroacetate 

Downstream Products

• 1459141-11-7 2,5-bis(2-(2-(2-methoxyethoxy)ethoxy)ethyl)-3,6-bis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione 
• 1454901-98-4 2,5-bis(2-(2-(2-methoxyethoxy)ethoxy)ethyl)-1,4-diketo-3,6-bis(4-((triisopropylsilyl)ethynyl)phenyl)pyrrolo[3,4-c]pyrrole 

Relevant academic research and scientific papers

Strong two-photon absorption enhancement in a unique bis-porphyrin bearing a diketopyrrolopyrrole unit

A π-extended bis-porphyrin bridged via a diketopyrrolopyrrole unit was prepared in 5 steps. This fully conjugated π-system displays strongly distorted linear absorption, while its two-photon absorption cross-section reaches 2500-3000 GM at 940 nm. LC-like behaviour, easy orientation and low viscosity are, according to XRD, POM and DSC measurements, due to formation of plastic rather than a liquid crystal.

New diketopyrrolopyrrole (DPP) derivative as fluorescent probe for Zn 2+

Abstract New turn-on fluorescent probe DPPL2, was rationally designed and synthesized based on the skeleton of diketopyrrolopyrrole (DPP), which presented sensitivity, selectivity for Zn2+ over other metal ions except some disturbance with Cd2+. Particularly, results demonstrated fluorescence enhancement and blue shift of DPPL2 upon Zn2+ binding. This phenomenon was a typical photoinduced electron transfer (PET) and intramolecular charge transfer (ICT) process which was attributed to diminishing the electron of the nitrogen lone pair delocalization on the DPP core upon Zn2+ binding. For comparison, DPPL3 (acylation of nitrogen atom of DPPL2) was synthesized and no fluorescence enhancement was observed, which further indicated that lone pair electrons of nitrogen atoms attached to DPP core were ascribed to PET process. 1H NMR titrations and DFT calculations also proved that PET and ICT process of system.