Application of Second Derivative Ultraviolet Spectrometry Part II: Determination of Cinnamic Aldehyde and Carvone in Volatile Oils

The photolysis of carvone dimethylhydrazone (CDMH) carvone‐ Phenylhydrazone (CPH), and carvone hydrazono‐orthobenzoic acid (CHBA), was studied at room‐temperature (293K) in several solvents (cyclohexane, dioxane, formamide, acetonitrile, ethanol, propanol). The photolysis overall first‐order rate constants (k1) and quantum yields (φp) were found to depend Markedly of the structure of the carvone hydrazone derivative and of the solvent, k1 values varied in the range 1.3 × 10‐3, 2.4 × 10‐3 min‐1 for CDMH ‐ 4.0 × 10‐2 ‐ 2 × 10‐1 min‐1 for CPH, and 8 × 10‐3 ‐ 4.6 × 10‐2 min‐1 for CHBA, and φp values between 0.0009 and 0.0012 for CDMH, 0.07 and 0.19 for CPH, and 0.004 and 0.0085 for CHBA, according to the solvent. The structure of the photoproducts was investigated by mass spectrometry and fluorescence spectroscopy. Mechanisms are proposed for the photolysis of these carvone hydrazone derivatives. A photochemical‐fluorimetric method is presented for the analysis of carvone, following derivatization. Limits of detection of carvone are in the ng range.

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KINETIC STUDY OF THE PHOTOLYSIS OF NOVEL CARVONE HYDRA20NE DERIVATIVES. ANALYTICAL APPLICATION TO THE DETERMINATION OF CARVONE^*1

Ndiaye¹,

Aaron

1993

Bulletin des Soc Chimique

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Second-Derivative Spectrophotometric Assay of Mixtures of Dicloxacillin Sodium and Ampicillin Sodium in Pharmaceuticals

Morelli

1988

Journal of Pharmaceutical Sciences

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Determination of mixtures of ampicillin and cloxacillin in pharmaceuticals by second-derivative spectrophotometry

Morelli

1988

Analytica Chimica Acta

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Application of Second Derivative Ultraviolet Spectrometry Part II: Determination of Cinnamic Aldehyde and Carvone in Volatile Oils

Cited by 9 publications

References 8 publications

KINETIC STUDY OF THE PHOTOLYSIS OF NOVEL CARVONE HYDRA20NE DERIVATIVES. ANALYTICAL APPLICATION TO THE DETERMINATION OF CARVONE^*1

KINETIC STUDY OF THE PHOTOLYSIS OF NOVEL CARVONE HYDRA20NE DERIVATIVES. ANALYTICAL APPLICATION TO THE DETERMINATION OF CARVONE^*1

Second-Derivative Spectrophotometric Assay of Mixtures of Dicloxacillin Sodium and Ampicillin Sodium in Pharmaceuticals

Determination of mixtures of ampicillin and cloxacillin in pharmaceuticals by second-derivative spectrophotometry

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Application of Second Derivative Ultraviolet Spectrometry Part II: Determination of Cinnamic Aldehyde and Carvone in Volatile Oils

Cited by 9 publications

References 8 publications

KINETIC STUDY OF THE PHOTOLYSIS OF NOVEL CARVONE HYDRA20NE DERIVATIVES. ANALYTICAL APPLICATION TO THE DETERMINATION OF CARVONE*1

KINETIC STUDY OF THE PHOTOLYSIS OF NOVEL CARVONE HYDRA20NE DERIVATIVES. ANALYTICAL APPLICATION TO THE DETERMINATION OF CARVONE*1

Second-Derivative Spectrophotometric Assay of Mixtures of Dicloxacillin Sodium and Ampicillin Sodium in Pharmaceuticals

Determination of mixtures of ampicillin and cloxacillin in pharmaceuticals by second-derivative spectrophotometry

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Product

Resources

About

KINETIC STUDY OF THE PHOTOLYSIS OF NOVEL CARVONE HYDRA20NE DERIVATIVES. ANALYTICAL APPLICATION TO THE DETERMINATION OF CARVONE^*1

KINETIC STUDY OF THE PHOTOLYSIS OF NOVEL CARVONE HYDRA20NE DERIVATIVES. ANALYTICAL APPLICATION TO THE DETERMINATION OF CARVONE^*1