Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, causing turnover rates to depend strongly on interfacial structure and composition, 493-09-4, Name is 2,3-Dihydrobenzo[b][1,4]dioxine, SMILES is C1COC2=C(O1)C=CC=C2, in an article , author is Bilgin, Ahmet, once mentioned of 493-09-4, SDS of cas: 493-09-4.
Novel porphyrazines containing peripherally functionalized macrocyclic (N2O2, N2S2) units: Synthesis and characterization
Novel maleonitrile moieties were synthesized by cyclization of 2,3-bis[(2-pyridylmethyl)amino]-2(Z)-butene-1,4-dinitrile with 1,2-bis(2-iodoethoxy)-4-nitrobenzene or o-xylyenebis(1-chloro-3-thiapropane) under conditions of high dilution. A series of novel, free-base, magnesium and zinc porphyrazines bearing macrocyclic substituents in peripheral positions were prepared via Linstead macrocyclization reactions of different maleonitrile derivatives, 12-nitro-4,7-bis(pyridin-2-ylmethyl)-2,3,4,7,8,9-hexahydro-1,10,4,7-benzodioxa-diaza-cyclododecine-5,6-dicarbonitrile or 5,8-bis(pyridin-2-ylmethyl)-1,3,4,5,8, 9,10,12-octa-hydro-2,11,5,8-benzodi-thiadiazacyclo-tetradecine-6,7-dicarbonitrile and the corresponding divalent metal salts. Pentanuclear copper(II) complexes were also prepared from the corresponding zinc(II) porphyrazine derivatives. The compounds were characterized by a combination of elemental analysis, FT-IR, UV-vis, H-1 NMR, C-13 NMR and MS spectral data. (c) 2008 Elsevier Ltd. All rights reserved.
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Reference:
Benzodioxan,
,1,4-Benzodioxane | C8H8O2 – PubChem