Diels-Alder Reactions Using 5 M LiClO4 -Diethyl Ether Catalyst

M. KACAN, H. R. F. KARABULUT

Pyrrolizidine Alkaloids from Symphytum sylvaticum Boiss. subsp. sepulcrale. (Boiss.& Bal.) Greuter & Burdetvar. sepulcrale and Symphytum aintabicum Hub.- Mor. & Wickens

Semra KURUCU, Murat KARTAL

Derivative Spectrophotometric Determination of Caffeine in Some Beverages

Güzin ALPDOĞAN, Kadir KARABİNA, Sıdıka SUNGUR

Aspertins A-D: Further piperidine alkaloids from Andrachne aspera (Euphorbiaceae)

Viqar Uddin AHMAD, Arshad KAMAL, Muhammad Shaiq ALI

A New Synthesis of Bromobenzotropones: Oxidation of 8-Bromo-5 H -Benzo[a]cycloheptene

Arif DAŞTAN

The kinetics and mechanism of oxidation of vanillin by diperiodatonickelate (IV) in aqueous alkaline medium

Chandrashekhar KATHARI, Pandurang POL, Sharanappa NANDIBEWOOR

Determination of Trace Elements in Iron Minerals by Atomic Absorption Spectrometry

Trajce STAFILOV, Dragica ZENDELOVSKA

Synthesis and electronic structure of new aryl-and alkyl-substituted 1,3,4-oxadiazole-2-thione derivatives

Zuhal TURGUT, Nüket ÖCAL, Safiye Sağ ERDEM, Feray AYDOĞAN

Synthesis of 2'-Deoxy-2'-fluoro-L-arabinofuranosyl Imidazole Derivatives

Süreyya ÖLGEN

Pyrrolizidine alkaloids from Symphytum sylvaticum Boiss. subsp. sepulcrale. (Boiss. & Bal.) Greuter & Burdet var. sepulcrale and Symphytum aintabicum Hub.-Mor. & Wickens

Semra KURUCU, Gülaçtı TOPCU, Muhammad Iqbal CHOUDARY, Murat KARTAL