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Bicyclo[4.2.0]octane-1,3,5-triene-7-ol

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Bicyclo[4.2.0]octane-1,3,5-triene-7-ol Basic information
Product Name:Bicyclo[4.2.0]octane-1,3,5-triene-7-ol
Synonyms:1,2-Ethanobenzene-7-ol;Bicyclo[4.2.0]octa-1(6),2,4-triene-7-ol;Bicyclo[4.2.0]octa-1,3,5-trien-7-ol;Bicyclo[4.2.0]octane-1,3,5-triene-7-ol;1-Hydroxy-Benzocyclobutene;1,2-Dihydrobenzocyclobuten-1-ol;1-Hydroxycyclobutabenzene;Benzocyclobuten-1-ol
CAS:35447-99-5
MF:C8H8O
MW:120.15
EINECS:
Product Categories:
Mol File:35447-99-5.mol
Bicyclo[4.2.0]octane-1,3,5-triene-7-ol Structure
Bicyclo[4.2.0]octane-1,3,5-triene-7-ol Chemical Properties
Melting point 62-63 °C
Boiling point 244.2±19.0 °C(Predicted)
density 1.228±0.06 g/cm3(Predicted)
pka14.36±0.20(Predicted)
InChIInChI=1S/C8H8O/c9-8-5-6-3-1-2-4-7(6)8/h1-4,8-9H,5H2
InChIKeySKLKSDFOCXHYOO-UHFFFAOYSA-N
SMILESC12C(C(O)C1)=CC=CC=2
Safety Information
HS Code 2906290090
MSDS Information
Bicyclo[4.2.0]octane-1,3,5-triene-7-ol Usage And Synthesis
Chemical Propertieswhite powder
UsesBicyclo[4.2.0]octane-1,3,5-triene-7-ol (also known as 1-hydroxybenzocyclobutene) is a substituted benzocyclobutene compound. As an electron-donating group, it can be used in studies of polymerisation reactions. It serves as a starting material for the preparation of 1-methylbenzocyclobutene. 1-Methylbenzocyclobutene is a dielectric monomer characterised by excellent physical properties, chemical stability and high-temperature stability, and finds wide application in the electronics and microelectronics manufacturing industries.
Synthesis Reference(s)The Journal of Organic Chemistry, 46, p. 2730, 1981 DOI: 10.1021/jo00326a026
SynthesisSynthesis of bicyclo[4.2.0]octane-1,3,5-triene-7-ol: A solution of 1-acetoxybenzocyclobutene (33.9 g, 0.21 mol) and p-toluenesulfonic acid monohydrate (1.9 g, 0.01 mol) in methanol (100 mL) was stirred at room temperature for 24 h. Evaporate the solvent, add 50 mL of water, and extract three times with diethyl ether (150 mL). The ether solution was dried over magnesium sulphate, the solvent was evaporated, and recrystallisation yielded 21.4 g (85%) of bicyclo[4.2.0]octane-1,3,5-triene-7-ol (i.e. 1-hydroxybenzocyclobutene), a white powder[1].
References[1] Keisuke Chino, Takeshi E., Toshikazu Takata. (1997). Polymerization of o-Quinodimethanes Bearing Electron-Donating Groups in Situ Formed by Thermal Isomerization of Benzocyclobutenes. Macromolecules, 30 22, 6715–6720. https://doi.org/10.1021/ma9616928
Bicyclo[4.2.0]octane-1,3,5-triene-7-ol Preparation Products And Raw materials
Preparation Products1-Bromobenzocyclobutene-->1-Methylanthracene
Tag:Bicyclo[4.2.0]octane-1,3,5-triene-7-ol(35447-99-5) Related Product Information
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