- Syntheses of Hydroxylated Bipyridines, I. - Orellanine, the Poison of a Toadstool
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Two syntheses of orellanine, -3,3',4,4'-tetrol-1,1'-dioxide (5b), are developed which comprise 10 or 11 steps, respectively.The chemical reactions of 5b with diazomethane and on UV irradiation are described.
- Dehmlow, Eckehard V.,Schulz, Hans-Joachim
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p. 857 - 862
(2007/10/02)
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- SYNTHESIS OF ORELLANINE, THE LETHAL POISON OF A TOADSTOOL
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A ten step synthesis of the structure of orellanine, 3,3',4,4'- hydroxy-2,2'-bipyridyl-bis-N-oxide (1a), is described which proves the identity of the natural product.
- Dehmlow, Eckehard, V.,Schulz, Hans-Joachim
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p. 4903 - 4906
(2007/10/02)
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- 1-(3-HALO-2-PYRIDINYL) PIPERAZINE
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1-(3-Halo-2-pyridinyl)piperazine and its acid addition salts are selective α 2-adrenergic receptor antagonists and thereby useful as antidepressant agents and for treating sedation caused by antihypertensive therapy.
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