(9BR)-2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyl-(2H,9bH)-dibenzofuran-1,3-dion Produkt Beschreibung

(+)-Usniacin Struktur
7562-61-0
  • CAS-Nr.7562-61-0
  • Bezeichnung:(9BR)-2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyl-(2H,9bH)-dibenzofuran-1,3-dion
  • Englisch Name:(+)-Usniacin
  • Synonyma:(9BR)-2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyl-(2H,9bH)-dibenzofuran-1,3-dion
    (+)-USNEIN;(r)-usnicaci;(+)-USNIACIN;D-USNIC ACID;d-usninicacid;(R)-Usnicacid;WERI-Rb-1 Cell;plus-usnic acid;TIMTEC-BB SBB006458;DIFFRACTIC ACID(SH)
  • CBNumber:CB9422382
  • Summenformel:C18H16O7
  • Molgewicht:344.32
  • MOL-Datei:7562-61-0.mol
(9BR)-2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyl-(2H,9bH)-dibenzofuran-1,3-dion physikalisch-chemischer Eigenschaften
  • Schmelzpunkt: :201-203 °C(lit.)
  • alpha  :488 º (c=0.4, CHCl3)
  • Siedepunkt: :399.43°C (rough estimate)
  • Dichte :1.2869 (rough estimate)
  • Brechungsindex :1.4790 (estimate)
  • storage temp.  :2-8°C
  • Optische Aktivität :[α]25/D +488°, c = 0.7% in chloroform
  • Wasserlöslichkeit :Partly soluble in water. Soluble in acetone, ethanol, chloroform and furfural.
  • Merck  :14,9893
  • BRN  :96698
  • CAS Datenbank :7562-61-0(CAS DataBase Reference)
Sicherheit
  • Kennzeichnung gefährlicher :Xn
  • R-Sätze: :22
  • S-Sätze: :36
  • WGK Germany  :3
  • RTECS-Nr. :HP5295050
  • F  :3-10
  • HazardClass  :IRRITANT
  • HS Code  :29329990

(+)-Usniacin Chemische Eigenschaften,Einsatz,Produktion Methoden

  • R-Sätze Betriebsanweisung: R22:Gesundheitsschädlich beim Verschlucken.
  • S-Sätze Betriebsanweisung: S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
  • Kontakt-Allergie Usnic acid is a component of lichens, also used as a topical antibiotic. Allergic contact dermatitis from lichens occurs mainly occupationally in forestry and horticultural workers, and in lichen pickers.
  • läuterung methode This very weak acid is the natural form which is recrystallised from Me2CO, MeOH or *C6H6. At 25o it is soluble in H2O (<0.01%), Me2CO (0.77%), EtOAc (0.88%), MeOCH2CH2OH (0.22%) and furfural (7.32%). [Curd & Robertson J Chem Soc 894 1937, Barton & Brunn J Chem Soc 603 1953, resolution: Dean et al. J Chem Soc 1250 1953, synthesis: Barton et al. J Chem Soc 538 1956, Beilstein 18/5 V 586.]
(+)-Usniacin Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
(9BR)-2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyl-(2H,9bH)-dibenzofuran-1,3-dion Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
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7562-61-0, (+)-Usniacin Verwandte Suche:
  • TIMTEC-BB SBB006458
  • (+)-USNEIN
  • (+)-USNIACIN
  • (r)-usnicaci
  • 3(2h,9bh)-dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-(9b
  • 6-diacetyl-1,7,9-trihydroxy-8,9b-dimethyl-d-3(9bh)-dibenzofuranon
  • 6-diacetyl-8,9b-dimethyl-1,7,9-trihydroxy-d-3(9bh)-dibenzofuranon
  • d-usninicacid
  • D-2,6-DIACETYL-7,9-DIHYDROXY-8,9BETA-DIMETHYL-1,3[2H,9BH]-DIBENZOFURANDIONE
  • D-USNIC ACID
  • WERI-Rb-1 Cell
  • (+)-Usnic acid, 98% yellow to yellow-green powder
  • 2,6-DIACETYL-7,9-DIHYDROXY-8,9B-DIMETHYLDIBENZOFURAN-1,3(2H,9BH)-DIONE
  • (+)-Usnic acid from Usnea dasypoga
  • plus-usnic acid
  • (9bR)-2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-(2H,9bH)-dibenzofuran-1,3-dione
  • (R)-Usnicacid
  • (USNEA DASYPOGA EXTRACT)(+) USNIC ACID 98%
  • DIFFRACTIC ACID(SH)
  • D-2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyl-1,3(2H,9bH)-dibenzofurandione
  • 1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-
  • dihydroxy-8,9b-dimethyl-,(9bR)-
  • (+)-Usnic acid from Usnea dasypoga, 2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3(2H,9bH)-dione
  • Usnic acid,Usninic acid,Usnein
  • Usnea longissima Ach
  • (9BR)-2,6-diacetyl-1,7,9-trihydroxy-8,9b-dimethyldibenzo[b,d]furan-3(9bH)-one
  • (+)-Usniacin(D-Usnic acid)
  • (R)-1,1'-(1,7,9-trihydroxy-8,9b-diMethyl-3-oxo-3,9b-dihydrodibenzo[b,d]furan-2,6-diyl)diethanone
  • 7562-61-0
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