Trachtenberg, Edward N.; Odian, Geo. published the artcile< Conjugative transmission in cyclopropane systems>, Computed Properties of 90940-40-2, the main research area is .
The pK values of a series of m- and p-substituted trans-2-phenylcyclopropanecarboxylic acids (I) in dilute aqueous solution at 25° were determined potentiometrically and the Hammett ρ for the reaction was calculated The pK values were determined for the following I (substituent and pK given): m-NO2 4.408, p-NO2 4.448, m-Cl 4.514, p-Cl 4.529, p-H 4.570, p-AcNH 4.570, p-Me 4.597, p-MeO 4.617. For comparison were determined the pK values for the following p-XC6H4(CH2)2CO2H (X and pK given): NO2 4.542, Cl 4.655, H 4.709, Me 4.737, MeO 4.751. The values of ρ for trans-PhCH:CHCO2H, trans-2-phenylcyclopropanecarboxylic acid, and Ph(CH2)2CO2H were 0.466, 0.182, and 0.212 (0.204), resp.; these values indicate that the cyclopropane ring does not transmit conjugation.
Journal of the American Chemical Society published new progress about Conjugation (bond). 90940-40-2 belongs to class chlorides-buliding-blocks, and the molecular formula is C10H9ClO2, Computed Properties of 90940-40-2.
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