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2-phenyl-4-(4-methoxyphenyl)bicyclo[3.3.1]non-2-en-9-one is a complex organic compound characterized by a bicyclic structure with a ketone group at the 9-position. It features a phenyl group at the 2-position and a 4-methoxyphenyl group at the 4-position, which are both attached to the bicyclic core. This molecule is known for its unique chemical properties and potential applications in various fields, such as pharmaceuticals and materials science, due to its specific structural arrangement and functional groups.

5520-89-8

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5520-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5520-89-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,2 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5520-89:
(6*5)+(5*5)+(4*2)+(3*0)+(2*8)+(1*9)=88
88 % 10 = 8
So 5520-89-8 is a valid CAS Registry Number.

5520-89-8Relevant academic research and scientific papers

Chemistry of 1,5-diketones: II. Specificity of transformations of polycyclic 1,5-diketones in acid media

Pchelintseva,Kolevatova,Markova,Fedotova,Reshetov

experimental part, p. 1267 - 1270 (2009/07/17)

2-(1,3-Diaryl-3-oxopropyl)cyclohexan-1-ones underwent carbo-and heterocyclization in a mixture of acetic acid with acetic anhydride in the presence of perchloric acid. The transformation of 2-(1,3-diaryl-3-oxopropyl) cyclohexan-1-ones into 2,4-diaryl-5,6,7,8-tetrahydrochromenylium salts was shown to involve intermediate 2,4-diarylbicyclo[3.3.1]non-2-en-9-ones. The structure of 2,4-diaryl-substituted bicyclo[3.3.1]non-2-en-9-ones and products of their reactions with halogens and hydroxylamine hydrochloride was confirmed by 1H and 13C NMR spectroscopy.

CONVERSION OF trans,trans-1-METHOXY-3,5-DIARYL-2-OXABICYKLODEC-3-ENES INTO HEMIDITHIOACETALS AND 4H-THIOPYRANS. STRUCTURE OF trans,trans-1-MERCAPTO-3-PHENYL-5-(4-METHOXYPHENYL)-2-THIABICYCLODEC-3-ENE

Klimenko, S. K.,Tyrina, T. I.,Sorokin, N. N.,Vlasova, L. V.,Sherbakov, A. A,et al.

, p. 23 - 28 (2007/10/02)

The conversion of trans,trans-1-methoxy-3,5-diaryl-2-oxabicyclodec-3-enes into trans,trans-1-mercapto-3,5-diaryl-thiabicyclodec-3-enes or 2,4-diaryl-5,6-tetramethylene-4H-thiopyrans, which takes place when hydrogen sulfide is reacted with the acetals in acetic acid with the use of gaseous hydrogen chloride as a catalyst, has been described.A mechanism for reaction has been proposed.The structure and conformations of the molecules have been determined by x-ray diffraction analysis and (13)C NMR.

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