por·phin 'pȯr-fən also por·phine -.fēn n a deep purple crystalline compound C20H14N4 that is made synthetically from pyrrole and formaldehyde, contains four pyrrole rings joined by =CH- groups so as to give a heterocyclic arrangement, and forms the essential skeletal structure of the porphyrins, heme, and chlorophyll

* * *

a complex nitrogen-containing ring structure and parent compound of the porphyrin.

* * *

por·phin (porґfin) a heterocyclic structure composed of four pyrrole rings connected by methylidyne (CH) bridges; it is the parent skeleton of the porphyrins.

Medical dictionary. 2011.

Игры ⚽ Нужна курсовая?

Look at other dictionaries:

  • Porphin — Strukturformel Allgemeines Name Porphin Andere Namen …   Deutsch Wikipedia

  • Porphin — chembox new ImageFile = Porphyrin.svg ImageSize= IUPACName= OtherNames= Section1=Chembox Identifiers CASNo= PubChem=66868 SMILES=C1=CC2=CC3=CC=C(N3)C=C4C=CC(=N4)C=C5C=CC(=N5)C=C1N2 Section2=Chembox Properties Formula=C20H14N4 MolarMass=310.35196… …   Wikipedia

  • Porphin — Por|phin: Kurzw. für ↑ Porphyrin. * * * Porphin   [zu Porphyr] das, s, Porphyrin, dunkelrote, kristalline Substanz; chemisch ein makrozyklisches, mesomeriestabilisiertes Ringsystem, das in den Porphinfarbstoffen als Chromophor enthalten ist; es… …   Universal-Lexikon

  • porphin — porfinas statusas T sritis chemija apibrėžtis Ciklinis junginys, kuriame keturi pirolo žiedai susijungę =CH– tilteliais. formulė C₂₀H₁₄N₄ atitikmenys: angl. porphin; porphine rus. порфин …   Chemijos terminų aiškinamasis žodynas

  • porphin — noun A ring or four pyrrole rings linked by methine groups; it is the structure at the centre of hemoglobin, chlorophyll and other porphyrins …   Wiktionary

  • Porphin — Por|phi̱n [zu gr. πορϕυρα = Purpurschnecke; Purpur] s; s, e: Grundsubstanz der ↑Porphyrine, eine aus vier Pyrrolringen aufgebaute organische Verbindung (Chem.) …   Das Wörterbuch medizinischer Fachausdrücke

  • Porphin — Por|phin das; s, e <zu ↑Porphyr u. ↑...in> Grundsubstanz der Porphyrine …   Das große Fremdwörterbuch

  • porphin — por·phin …   English syllables

  • porphin — n. a complex nitrogen containing ring structure and parent compound of the porphyrins …   The new mediacal dictionary

  • porphin — …   Useful english dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”