CUCURBITURIL synthesis
- Product Name:CUCURBITURIL
- CAS Number:80262-44-8
- Molecular formula:C36H36N24O12
- Molecular Weight:996.82
50-00-0
911 suppliers
$10.00/25g
57-13-6
830 suppliers
$5.00/5g
80262-44-8
121 suppliers
$39.00/250mg
Yield:80262-44-8 89.5%
Reaction Conditions:
Stage #1:urea with perchloric acid on silica gel;bis(trichloromethyl) carbonate in ethanol at 20; for 1 h;
Stage #2:formaldehyd in ethanol at 45 - 50; for 4 h;Reagent/catalyst;
Steps:
1-2 Example 2
Urea (0.1 mol) and triphosgene (30 mmol) were dissolved in ethanol (1.2L) at room temperature, Tf0HSi02 (4.0g) was added, stirred for 1.0 h, polymerised formaldehyde (2.0 mol, 60g) was added, and the temperature was raised to 45-50 ° C, and the reaction was further stirred for 4 h, the reaction solution was poured into ice water, filtered, and the cake was recrystallized to obtain pumpkin squash CB[6] (calculated molar yield was about 89.5%);the structure confirmation data is consistent with Example 1.
References:
Yangzhou Industry Polytechnic College;Zhao Lu;Han Ying;Li Mei;Li Gang CN108586470, 2018, A Location in patent:Paragraph 0023-0025; 0026; 0027
50-00-0
911 suppliers
$10.00/25g
496-46-8
240 suppliers
$5.00/10g
80262-44-8
121 suppliers
$39.00/250mg
496-46-8
240 suppliers
$5.00/10g
109-87-5
382 suppliers
$9.00/5g
80262-44-8
121 suppliers
$39.00/250mg
259886-50-5
119 suppliers
$84.00/50mg
50-00-0
911 suppliers
$10.00/25g
496-46-8
240 suppliers
$5.00/10g
80262-44-8
121 suppliers
$39.00/250mg
259886-50-5
119 suppliers
$84.00/50mg
50-00-0
911 suppliers
$10.00/25g
496-46-8
240 suppliers
$5.00/10g
80262-44-8
121 suppliers
$39.00/250mg
259886-51-6
115 suppliers
$73.00/10mg
259886-49-2
54 suppliers
$81.00/100mg
259886-50-5
119 suppliers
$84.00/50mg