| 1. | Indole is a particularly active substrate; the reaction provides gramine derivatives.
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| 2. | All reactions of gramine follow the same general reaction scheme.
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| 3. | In huius rei testimonium diplomata vestris conlegis in Collegii Gramine tradam ."
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| 4. | In contrast, gramine is an antagonist of the 5-HT 2A receptor.
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| 5. | Gramine may play a defensive role in these plants, since it is toxic to many organisms.
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| 6. | Gramine, a useful synthetic intermediate, is produced via a Mannich reaction of indole with dimethylamine and formaldehyde.
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| 7. | "' Gramine "'( also called donaxine ) is a naturally occurring indole alkaloid present in several plant species.
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| 8. | Gramine is reacted with a strong electrophile, such as methyl iodide, to form the quaternary ammonium salt "'2 " '.
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