Study of substituent effects on rotational isomers and monomer-dimer equilibria of the 3-carboxy group in 4-substituted (R)-2-(3,4-methylenedioxyphenyl)-6-isopropyloxy-2H-chromen-3-carboxylic acids in dilute CCl 4 and CHCl 3 solutions by FTIR spectroscopy

Author: Takasuka M.   Matsumura K.   Ishizuka N.  

Publisher: Elsevier

ISSN: 0924-2031

Source: Vibrational Spectroscopy, Vol.25, Iss.1, 2001-02, pp. : 63-79

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