4-tert-Butylcalix[4]arene
4-tert-Butylcalix[4]arene Basic information
- Product Name:
- 4-tert-Butylcalix[4]arene
- Synonyms:
-
- P-TERT-BUTYLCALIX[4]ARENE
- TETRA-TERT-BUTYL(TETRAHYDROXY)CALIX[4]ARENE
- AKOS 43
- 4-TERT-BUTYLCALIX[4]ARENE
- 4-T-BUTYLCALIX[4]ARENE
- ETHYL 2-([5,11,17,23-TETRA(TERT-BUTYL)-26,27,28-TRIS(2-ETHOXY-2-OXYETHOXY)PENTACYCLO[19.3.1.1(3,7).1(9,13).1(15,19)]OCTACOSA-1(25),3(28),4,6,9(27),10,12,15,17,19,(26),21,23-DODECAEN-25-YL]OXY)ACETATE
- LABOTEST-BB LT00453198
- 4-t-Butylcalix4arene,95%
- CAS:
- 60705-62-6
- MF:
- C44H56O4
- MW:
- 648.91
- EINECS:
- 612-010-8
- Product Categories:
-
- AlcoholsSynthetic Reagents
- Monomers
- Macrocycles for Host-Guest Chemistry
- Chelation/Complexation Compounds
- Synthetic Reagents
- Polymer Science
- pharmacetical
- Calixarenes
- Functional Materials
- Mol File:
- 60705-62-6.mol
4-tert-Butylcalix[4]arene Chemical Properties
- Melting point:
- ≥300 °C(lit.)
- Boiling point:
- 636.8°C (rough estimate)
- Density
- 0.9543 (rough estimate)
- refractive index
- 1.6400 (estimate)
- storage temp.
- Store below +30°C.
- pka
- 9.53±0.20(Predicted)
- form
- Crystalline Powder or Flakes
- color
- White to light beige
- Water Solubility
- Soluble in chloroform, benzene, toluene. Insoluble in water.
- BRN
- 2033965
- InChIKey
- NVKLTRSBZLYZHK-UHFFFAOYSA-N
- CAS DataBase Reference
- 60705-62-6(CAS DataBase Reference)
MSDS
- Language:English Provider:SigmaAldrich
- Language:English Provider:ACROS
- Language:English Provider:ALFA
4-tert-Butylcalix[4]arene Usage And Synthesis
Chemical Properties
White to light beige crystalline powder or flakes
Uses
It is used as a starting material for further derivatization, including halogenation, acylation, and diazo coupling.
Purification Methods
The calixarene recrystallises from CHCl3 in large solvated prisms (m 380o dec); it effloresces on drying in air. Its tetra-acetate crystallises from Ac2O in colourless prisms m 332-333o(dec). It crystallises from CCl4 or chlorobenzene /EtOH (m >300o) and the tetra-acetate crystallises from CHCl3/EtOH m >290o(dec). It also crystallises from toluene in white plates with toluene of crystallisation m 344-346o (330-332o); the tetra-acetate crystallises with 1AcOH of crystallisation m 383-386o (softening at 330-340o, also m 283-286o), but acetylation with Ac2O/NaOAc gives the triacetate which recrystallises from AcOH with 1AcOH of crystallisation m 278-281o. 4-tert-Butylcalix[4]arene (100mg) is unchanged after boiling for 4hours with 10N KOH (0.04mL) in xylene (4mL). [Br J Pharmacol 10 73 1955, K.mmerer et al. Monatsh Chem 109 767 1978, Gutsche et al. J Am Chem Soc 103 3782 1981; see also Kluawer in Calixarenes, Vicens & B.hner eds Academic Press 1991, Beilstein 6 IV 7858.]
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4-tert-Butylcalix[4]arene(60705-62-6)Related Product Information
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