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Research Paper | Chemistry | India | Volume 8 Issue 10, October 2019
Studies of Colour of Some Advanced Parallel of 3-(Naphthoyl)-3-(Substituted Phenyl) Phthalide
Chandrabhan Rathaur  | Prabha Chauhan 
Abstract: Some advance dyes have been synthesized by condensation 2- (naphthoyl) benzoic acid with various phenol such as mono, di and tri hydric phenol using concentrated sulphuric acid as the condensing agent. The resulting compounds are substituted phthalides having central tri phenyl methane asymmetrical carbon atom attached to different phenyl rings such as 3- ( naphthoyl) -3- (phydroxy phenyl) phthalide, 3- (naphthoyl) -3- (2, 4-dihydroxyphenyl) phthalide, 3- (naphthoyl) -3- (2, 3-dihydroxy phenyl) phthalide, 3- ( naphthoyl) -3- (2, 5-dihydroxy phenyl) phthalide, 3- ( naphthoyl) -3- (2, 3, 4-trihydroxy phenyl) phthalide and 3- (naphthoyl) -3- (2, 4, 6-trihydroxy phenyl) phthalide. . The absorption spectra properties of as prepared phthalides were investigated in 95 % Ethanol, attempt to evaluate spectral behaviors. The Śmax and colour of some selected Innovative synthesized phthalide are observed in altered solvents having dissimilar colour.
Keywords: Naphthoyl, PHENYL, PHENOL, RESORCINOL, PYRROGALLOL, PHLOROGLUCINOL
Edition: Volume 8 Issue 10, October 2019,
Pages: 231 - 235
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