Novel π-extended pyrrolo[1,2-a]pyrazinoporphyrins: Synthesis, photophysical properties and mercuric ion recognition

Recent Advances in Porphyrin-Based Materials for Metal Ions Detection

“…The structural formulas of these functionalized porphyrins are shown in Figure 2 . Tiwari and Nath [ 83 ] have synthesized pyrrolo [1,2-a] pyrazinoporphyrin zinc, and a significant red shift occurred in the Soret band after adding a mercury chloride solution to its acetonitrile solution. In addition, it can be visually observed that the acetonitrile solution changes color from yellow-brown to green and has a considerable specific effect on Hg 2+ .…”

“…The structural formulas of these functionalized porphyrins are shown in Figure 2. Tiwari and Nath [83] ) in a methanol solution, and its fluorescence can be revived by the addition of an ethylenediaminetetraacetic acid (EDTA) disodium solution. Huang et al [31] have modified 5,10-bis(4-aminophenyl)-15,20-diphenylporphyrin by DPA groups; the probe (10) (Figure 2) showed selectivity toward Cd 2+ ions in aqueous solutions at physiological pH with a relatively low limit of detection (LOD).…”

La(OTf)3-Catalyzed Synthesis of Nickel(II) β-Iminoporphyrins and Their Conversion to β-Substituted Porphyrin-Thiazolidinone Hybrids

“…In continuation of our efforts to develop synthetic methods for various β-functionalized porphyrins, [28][29][30][31][32][33][34][35][36][37] we present herein a La(OTf)3-catalyzed synthetic protocol for the preparation of nickel(II) 2-imino-5,10,15,20-tetraphenylporphyrins, which have been employed as precursors to construct a new series of β-substituted nickel(II) porphyrin-thiazolidinone hybrids. The synthetic details and spectral properties of newly prepared porphyrins are discussed in this report.…”

p‐Dodecylbenzenesulfonic Acid: An Efficient Brønsted Acid‐Surfactant‐Combined Catalyst to Carry out Diverse Organic Transformations in Aqueous Medium

“…Figure represents some commercially available Brønsted acid combined surfactants that can be used as catalyst. Among the surfactant aided catalysts, DBSA has been used extensively as Brønsted acid surfactant combined catalyst for various organic transformations . DBSA possesses unique dual character.…”