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(1S,4R,4aR,9aS)-10-Oxo-2,3-diphenyl-5,9a-dihydro-4aH-1,4-methano-benzocycloheptene-1,4-dicarboxylic acid dimethyl ester is a complex organic compound with a molecular formula of C25H22O4. It is a derivative of benzocycloheptene, featuring a cyclohexene ring fused with a benzene ring, and two phenyl groups attached at positions 2 and 3. The molecule contains a 10-oxo group, indicating the presence of a carbonyl group at the 10th position, and a 1,4-dicarboxylic acid functionality, which means it has two carboxylic acid groups at the 1st and 4th positions. The dimethyl ester part of the name suggests that the carboxylic acid groups are esterified with methanol, resulting in two methyl ester groups. (1S,4R,4aR,9aS)-10-Oxo-2,3-diphenyl-5,9a-dihydro-4aH-1,4-methano-benzocycloheptene-1,4-dicarboxylic acid dimethyl ester is characterized by its unique stereochemistry, with four chiral centers at positions 1, 4, 4a, and 9a, and it is a potential intermediate in the synthesis of various pharmaceuticals and other organic compounds due to its structural complexity and functional group diversity.

72033-23-9

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72033-23-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72033-23-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,0,3 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 72033-23:
(7*7)+(6*2)+(5*0)+(4*3)+(3*3)+(2*2)+(1*3)=89
89 % 10 = 9
So 72033-23-9 is a valid CAS Registry Number.

72033-23-9Downstream Products

72033-23-9Relevant academic research and scientific papers

Frontier-Controlled Pericyclic Reactions of Cyclooctatetraene with Cyclopentadienones. First Example of Exo ? Cycloadduct by Effective Secondary Orbital Control and Its Molecular Structure

Yasuda, Masami,Harano, Kazunobu,Kanematsu, Ken

, p. 3120 - 3126 (2007/10/02)

Pericyclic reactions of cyclooctatetraene with 2,5-bis(methoxycarbonyl)-3,4-diphenylcyclopentadienone (1a), 2-oxo-1,3-bis(ethoxycarbonyl)-2H-cyclopentaacenaphthylene (1b), and 2-oxo-1,3-diphenyl-2H-cyclopentaphenanthrene (1c) were investigated.The c

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