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Tibor Gracza

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Publication

Featured researches published by Tibor Gracza.

Collection of Czechoslovak Chemical Communications | 1984

Nucleophilic substitution reaction of keto-allylic systems with a heterocyclic ring in γ-position

Vladimír Žvak; Jaroslav Kováč; Miloslava Dandárová; Tibor Gracza; Miroslav Kríž

Collection of Czechoslovak Chemical Communications | 1988

Electrophilic ipso substitutions of furan vinamidinium salts

Tibor Gracza; Z. Arnold; Jaroslav Kováč

Collection of Czechoslovak Chemical Communications | 1988

Synthesis of pyridazines via furan vinamidinium salts

Tibor Gracza; Z. Arnold; Jaroslav Kováč

Collection of Czechoslovak Chemical Communications | 1986

New method of preparation of 5-(N,N-dimethylamino)-2-furylethylenes via furan vinamidinium salts

Tibor Gracza; Z. Arnold; Jaroslav Kováč

Collection of Czechoslovak Chemical Communications | 1984

Vinamidium salts having a furan ring and their substitution electrophilic reactions

Tibor Gracza; Z. Arnold; Jaroslav Kováč

Collection of Czechoslovak Chemical Communications | 1986

New type of addition to 5-substituted 4-arylidene-2-(4,5-dihydrofurfurylidene)-N,N-dimethyliminium bisperchlorates. Preparation of 4-substituted 5-(N,N-dimethylamino)-2-furancarbaldehydes

Tibor Gracza; Z. Arnold; Jaroslav Kováč

Collection of Czechoslovak Chemical Communications | 1983

Preparation and stereochemistry of pentadiene derivatives of furan

Katarína Špirková; Jaroslav Kováč; Vladimír Žvak; Tibor Gracza; Miloslava Dandárová

Collection of Czechoslovak Chemical Communications | 1985

Reaction of vinamidinium salts of furan with aldehydes

Tibor Gracza; Z. Arnold; Jaroslav Kováč

ChemInform | 1986

New Type of Addition to 5-Substituted 4-Arylidene-2-(4,5-dihydrofurfurylidene)- N,N-dimethyliminium Bisperchlorates. Preparation of 4-Substituted 5-(N,N-Dimethylamino)-2-furancarbaldehydes.

Tibor Gracza; Z. Arnold; Jaroslav Kováč

ChemInform | 1986

New Method of Preparation of 5-(N,N-Dimethylamino)-2-furylethylenes via Furan Vinamidinium Salts.

Tibor Gracza; Z. Arnold; Jaroslav Kováč

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Jaroslav Kováč

Technische Hochschule

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Z. Arnold

Czechoslovak Academy of Sciences

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