منابع مشابه
Anthelmintic Properties of Santonin'
In the world of therapeutics certain drugs or preparations have been used for so many years that the statements in the literature, especially in the textbooks and also in articles in professional journals, as to the action of these drugs have a tendency to reiterate impressionistic ideas or traditions. Printed statements are ordinarily copied and passed on with little or no attempt to substanti...
متن کاملThe Price of Santonin
To the Editor, "The Indian Medical G ^ \ouv . Sir,?Comment was made in a readers will be Journal on the price of santonin. 0 .< announced a 'nterested to know that we have rece well-known substantial reduction in the price o auantities is drug. Our reduced price for wholesaic 1 ^ per. e(iuivalent to about 29s. 9d. per oz., explanation?1 pain. Our new scale of prices and November nave appeared i...
متن کاملMicrobial Transformations of α-Santonin
Fungal biotransformations of α-santonin (1) were conducted with Mucor plumbeus (ATCC 4740), Cunninghamella bainieri (ATCC 9244), Cunninghamella echinulata (ATCC 9245), Curvularia lunata (ATCC 12017) and Rhizopus stolonifer (ATCC 10404). Rhizopus stolonifer (ATCC 10404) metabolized compound 1 to afford 3,4-epoxy-α-santonin (2) and 4,5-dihydroα-santonin (3) while Cunninghamella bainieri (ATCC 924...
متن کاملAsymmetric synthesis of (-)-swainsonine
This paper describes a new synthesis of (-)-swainsonine via the ring-closing metathesis reaction of a substituted 3-allyl-4-vinyl-2-oxazolindinone and subsequent diastereoselective syn-dihydroxylation of the resulting pyrrolo[1,2-c]oxazol-3-one.
متن کاملAsymmetric synthesis of ageliferin.
We describe herein an asymmetric synthesis of ageliferin. A Mn(III)-mediated oxidative radical cyclization reaction was used as the key step to construct the core skeleton of this pyrrole-imidazole dimer. This approach resembles the biogenic [4 + 2] dimerization in an intramolecular fashion.
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ژورنال
عنوان ژورنال: Nature
سال: 1944
ISSN: 0028-0836,1476-4687
DOI: 10.1038/153225a0