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Synthesis of Naturally Occurring Pyrazine and Imidazole Alkaloids from Botryllus LeachiRID=”a”ID=”a”&ensp;Dedicated to Prof. <E5>G</E5>. <E5>M&auml;rkl</E5> on the occasion of his 75<SUP>th</SUP> birthday

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Abstract.

The synthesis of the naturally occurring and biologically active alkaloids 1 and 2, first isolated from the red ascidian Botryllus leachi by Duran et al. [1], is described and the structure proposed for Botryllazine B (1) is confirmed. The analytical data for 2-(p-hydroxybenzoyl)-4-(p-hydroxyphenyl)imidazole (2) are discussed and compared with the literature. With special emphasis of 1H NMR data the tautomerism of aroylimidazolemethanones is described.

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Correspondence to Siavosh Mahboobi.

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Mahboobi, S., Sellmer, A., Burgemeister, T. et al. Synthesis of Naturally Occurring Pyrazine and Imidazole Alkaloids from Botryllus LeachiRID=”a”ID=”a”&ensp;Dedicated to Prof. <E5>G</E5>. <E5>M&auml;rkl</E5> on the occasion of his 75<SUP>th</SUP> birthday. Monatshefte für Chemie 135, 333–342 (2004). https://doi.org/10.1007/s00706-003-0085-2

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  • DOI: https://doi.org/10.1007/s00706-003-0085-2

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