BI-LAWSONE

The [2,2'-Binaphthalene]-1,1',4,4'-tetrone,3,3'-dihydroxy-, with the CAS registry number 33440-64-1, is also known as 2,2'-Bi(3-hydroxy-1,4-naphthoquinone). This chemical's molecular formula is C₂₀H₁₀O₆ and molecular weight is 346.29. What's more, its systematic name is 1,1'-dihydroxy-2,2'-binaphthalene-3,3',4,4'-tetrone.

Physical properties of [2,2'-Binaphthalene]-1,1',4,4'-tetrone,3,3'-dihydroxy- are: (1)ACD/LogP: 2.60; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 6; (4)#H bond donors: 2; (5)#Freely Rotating Bonds: 3; (6)Polar Surface Area: 86.74 Å²; (7)Index of Refraction: 1.793; (8)Molar Refractivity: 87.01 cm³; (9)Molar Volume: 204.6 cm³; (10)Polarizability: 34.49×10^-24cm³; (11)Surface Tension: 101.9 dyne/cm; (12)Density: 1.691 g/cm³; (13)Flash Point: 277.1 °C; (14)Enthalpy of Vaporization: 82.36 kJ/mol; (15)Boiling Point: 511.3 °C at 760 mmHg; (16)Vapour Pressure: 2.8E-11 mmHg at 25°C.

Preparation of [2,2'-Binaphthalene]-1,1',4,4'-tetrone,3,3'-dihydroxy-: this chemical can be prepared by 2-hydroxy-[1,4]naphthoquinone by heating. This reaction will need reagents ammonium metavanadate, HClO₄ and solvents H₂O, acetone with the reaction time of 15 min. The yield is about 45%.

Uses of [2,2'-Binaphthalene]-1,1',4,4'-tetrone,3,3'-dihydroxy-: it can be used to produce 3,5,3',5'-tetramethoxy-[2,2']binaphthalenyl-1,4,1',4'-tetraone. It will need solvents petroleum ether, CHCl₃. The yield is about 70%.

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need wear suitable protective clothing.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C3c4ccccc4C(\O)=C(\C\2=C(/O)c1c(cccc1)C(=O)C/2=O)C3=O
(2)InChI: InChI=1S/C20H10O6/c21-15-9-5-1-3-7-11(9)17(23)19(25)13(15)14-16(22)10-6-2-4-8-12(10)18(24)20(14)26/h1-8,21-22H
(3)InChIKey: SXSJQXOTICWTFX-UHFFFAOYSA-N