| Initially our efforts concentrated on the two allyl side chains attached to the heterocycle via a methylene group. |
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| As mentioned in the introductory section, the nitrogen heterocycle pyrrole occurs in bone oil, in which it is formed by the decomposition of proteins upon strong heating. |
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| Many other furan derivatives occur naturally, including vitamin C. The structures of furfural and vitamin C are: The sulfur heterocycle thiophene and related compounds are found in coal tar and crude petroleum. |
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| The bioactivity of Imidazole derivatives are attributed by the parent basic heterocycle ring. |
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| Purpald specifically forms a bicyclic heterocycle with aldehydes and changes from colorless to purple on oxidation. |
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| Nicknamed arylmethylidene heterocycle, the formula aspires to be a neuropathic pain reducer someday. |
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| The recently registered substance is a novel arylmethylidene heterocycle with analgesic properties. |
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| In contrast, the novel heterocycle annulated seven membered B-ring variants 15 and 16 proved to be highly potent tubulin-inhibitory, antimitotic agents. |
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| The light-induced homolytical nitrogen-oxygen bond cleavage yields a radical cation of the aromatic heterocycle and an alkoxy radical. |
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| Novel photoreactions of an insecticidal nitromethylene heterocycle. |
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