2016
DOI: 10.1142/s1088424616500516
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Synthesis of low melting point porphyrins: A quest for new materials

Abstract: Preparation of porphyrins which do not aggregate, possessing low melting points is an endearing challenge for several applications in materials science. In this contribution a viewpoint regarding the synthesis of low melting point porphyrins, is presented. Herein we review the synthesis of symmetrical and unsymmetrical substituted porphyrins that hold the possibility to be used in several materials science applications and present new results on the spectroscopic and thermal characterization of some low meltin… Show more

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Cited by 10 publications
(3 citation statements)
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“…Herein, we expand the scope and demonstrate the versatility of our recent synthetic method, which uses a porous solid inorganic acid (zeolite NaY) as catalyst [ 40 , 41 , 42 ] to promote the cyclization of pyrrole with a series of aromatic aldehydes, bearing electron donating or withdrawing substituents, portraying a highly improved yield synthesis of several unsymmetrical meso -aryl substituted porphyrins, some of them for the first time. We also discuss the features of this new methodology for the preparation of unsymmetrical meso -aryl porphyrins from an ecological and economical point of view, which are crucial aspects when choosing a methodology for the preparation of such key synthons, with a multitude of applications.…”
Section: Introductionmentioning
confidence: 99%
“…Herein, we expand the scope and demonstrate the versatility of our recent synthetic method, which uses a porous solid inorganic acid (zeolite NaY) as catalyst [ 40 , 41 , 42 ] to promote the cyclization of pyrrole with a series of aromatic aldehydes, bearing electron donating or withdrawing substituents, portraying a highly improved yield synthesis of several unsymmetrical meso -aryl substituted porphyrins, some of them for the first time. We also discuss the features of this new methodology for the preparation of unsymmetrical meso -aryl porphyrins from an ecological and economical point of view, which are crucial aspects when choosing a methodology for the preparation of such key synthons, with a multitude of applications.…”
Section: Introductionmentioning
confidence: 99%
“…The wide versatility of this methodology is demon­strated by good yields of symmetrical aryl- and alkyl-substituted porphyrins [ 226 ], unsymmetrical meso -aryl­porphyrins, and their metal complexes character­ized by low melting points [ 227 ], the synthesis, isolation, and purification of which by traditional methods is a serious problem. The use of new environ­mentally friendly technologies for the synthesis of new tetrapyrrole macroheterocycles opens the way for the creation of functional materials for various applica­tions, including catalysis, biomedicine, nonlinear optics, and photovoltaics [ 228 ].…”
Section: Alternative Methodologies For the Synthesis Of Mes...mentioning
confidence: 99%
“…Despite all the research over the last three decades in the field of sol-gel synthesis and applications [ 1 , 2 , 3 , 4 , 5 , 6 , 7 ] and technical and medical uses of porphyrins [ 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 ], the development of new materials exhibiting novel biological, optical and sensing properties [ 16 , 17 , 18 , 19 ] remains a great challenge. Combining the properties of silica as host with the special properties of the porphyrins has proved to be of great interest [ 20 , 21 , 22 , 23 , 24 ].…”
Section: Introductionmentioning
confidence: 99%