4-TERT-BUTYLCALIX[8]ARENE
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- CAS-Nr.
- 68971-82-4
- Englisch Name:
- 4-TERT-BUTYLCALIX[8]ARENE
- Synonyma:
- 4-T-BUTYLCALIX[8]ARENE;4-TERT-BUTYLCALIX[8]ARENE;p-tert-Butylcalix(8)arene;4-TERT-BUTYLCALIX(8)ARENE 95%;4-tert-Butylcalix[8]arene,97%;4-tert-Butylcalix8üarene, 96%;4-tert-Butylcalix[8]arene >4-tert-Butylcalix[8]arene;p-tert-Butylhydroxycalix[8]arene;,41,47-octakis(1,1-dimethylethyl)-
- CBNumber:
- CB9189539
- Summenformel:
- C88H112O8
- Molgewicht:
- 1297.83
- MOL-Datei:
- 68971-82-4.mol
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4-TERT-BUTYLCALIX[8]ARENE Eigenschaften
- Schmelzpunkt:
- 411-412 °C(lit.)
- Siedepunkt:
- 845.32°C (rough estimate)
- Dichte
- 1.095±0.06 g/cm3 (20 ºC 760 Torr)
- Brechungsindex
- 1.6000 (estimate)
- pka
- 9.23±0.20(Predicted)
- Aggregatzustand
- Micro-Crystalline Powder
- Farbe
- White to off-white
- BRN
- 2612052
- EPA chemische Informationen
- Nonacyclo[43.3.1.13,7.19,13.115,19.121,25.127,31.133,37.139,43]hexapentaconta-1(49),3,5,7(56),9,11,13(55),15,17,19(54),21,23,25(53),27,29,31(52),33,35,37(51),39,41,43(50),45,47-tetracosaene-49,50,51,52,53,54,55,56-octol, 5,11,17,23,29,35,41,47-octakis(1,1-dimethylethyl)- (68971-82-4)
4-TERT-BUTYLCALIX[8]ARENE Chemische Eigenschaften,Einsatz,Produktion Methoden
R-S?tze Betriebsanweisung:
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
S-S?tze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
Chemische Eigenschaften
white to off-white micro-crystalline powder
Verwenden
Starting material for further derivatization, including halogenation, acylation, and diazo coupling.
l?uterung methode
The calixarene recrystallises from CHCl3 in fine colourless, glistening needles. It melts sharply between 400-401o and 411-412o depending on the sample and is sensitive to traces of metal ions. On TLC with silica gel (250\m thick) and elution with CHCl3/hexane (3:4) it has RF 0.75. The octa-acetate is prepared from 8g in Ac2O (50mL) and 2 drops of conc H2SO4 and refluxed for 2hours. On cooling, a colourless precipitate separates and is recrystallised from Ac2O (1.2g 48%) with m 353-354o. The (SiMe3)8 is prepared from 4-tert-butylcalix[8]arene (0.65g) in pyridine (4mL) with excess of hexamethyldisilazane (1mL) and trimethylchlorosilane (0.5mL) and refluxed under N2 for 2hours. Cool, evaporate the pyridine, triturate the gummy residue with MeOH. Chromatograph on silica gel using hexane/CH2Cl2 gave 0.5g (61%) with one spot on TLC. Recrystallise it from hexane/Me2CO to give colourless needles m 358-360o. [Gutsche et al. J Am Chem Soc 103 3782 1981, Gutsche & MuthuKrishnan J Org Chem 43 4905 1978, Gutsche & MuthuKrishnan J Org Chem 44 3962 1979, Andretti et al. J Chem Soc, Chem Commun 533 1981; see Kluawer in Calixarenes, Vicens & B.hner eds Academic Press 1991.]
4-TERT-BUTYLCALIX[8]ARENE Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
4-TERT-BUTYLCALIX[8]ARENE Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.
Global( 127)Lieferanten
68971-82-4()Verwandte Suche:
- OCTA-TERT-BUTYL(OCTAHYDROXY)CALIX[8]ARENE
- p-tert-Butylcalix(8)arene
- 4-TERT-BUTYLCALIX(8)ARENE 95%
- Nonacyclo43.3.1.13,7.19,13.115,19.121,25.127,31.133,37.139,43hexapentaconta-1(49),3,5,7(56),9,11,13(55),15,17,19(54),21,23,25(53),27,29,31(52),33,35,37(51),39,41,43(50),45,47-tetracosaene-49,50,51,52,53,54,55,56-octol, 5,11,17,23,29,35,41,47-octakis(1,1-d
- 4-tert-Butylcalix[8]arene
- 4-tert-Butylcalix8üarene, 96%
- 4-tert-Butylcalix[8]arene,97%
- p-tert-Butylhydroxycalix[8]arene
- nonacyclo[43.3.1.13,7.19,13.115,19.121,25.127,31.133,37.139,43]hexapentaconta-1
- 5,11,17,23,29,35,41,47-OCTA(TERT-BUTYL)NONACYCLO[43.3.1.1(3,7).1(9,13).1(15,19).1(21,25).1(27,31).1(33,37).1(39,43)]HEXAPENTACONTA-1(49),3(56),4,6,9(55),+
- 4-TERT-BUTYLCALIX[8]ARENE
- 4-T-BUTYLCALIX[8]ARENE
- (49),3,5,7(56),9,11,13(55),15,17,19(54),21,23,25(53),27,29,31(52),33,35,37(51),
- ,41,47-octakis(1,1-dimethylethyl)-
- 3,1,13,7,19,13,115,19,121,25,127,31,133,37,139,43]hexapentaconta-1(49),3,5,7(56),9,11,13(55),15,Nonacyclo[43
- 39,41,43(50),45,47-tetracosaene-49,50,51,52,53,54,55,56-octol,5,11,17,23,29,35
- 4-tert-Butylcalix[8]arene >
- Nonacyclo[43.3.1.13,7.19,13.115,19.121,25.127,31.133,37.139,43]hexapentaconta-1(49),3,5,7(56),9,11,13(55),15,17,19(54),21,23,25(53),27,29,31(52),33,35,37(51),39,41,43(50),45,47-tetracosaene-49,50,51,52,53,54,55,56-octol, 5,11,17,23,29,35,41,47-octakis(1,1-dimethylethyl)-
- 5,11,17,23,29,35,41,47-octa-tert-butylnonacyclo[43.3.1.13,.1,13.11,1.121,2.12,31.133,3.13,3]hexapentaconta-1(49),3,5,7(56),9,11,13(55),15,17,19(54),21,23,25(53),27,29,31(52),33,35,37(51),39,41,43(50),45,47-tetracosaen-49,50,51,52,53,54,55,56-octol
- 68971-82-4
- C88H112O8
- Chelation/Complexation Compounds
- Macrocycles for Host-Guest Chemistry
- Calixarenes
- Synthetic Reagents
- Calixarenes
- Functional Materials
- Macrocycles for Host-Guest Chemistry
- Chelation/Complexation Compounds
- Synthetic Reagents
