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Naturally occurring oxygen heterocyclics V. Mammein

โœ Scribed by Carl Djerassi; E.J. Eisenbraun; R.A. Finnegan; B. Gilbert

Book ID
104212007
Publisher
Elsevier Science
Year
1959
Tongue
French
Weight
223 KB
Volume
1
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

RECENT paper0 have been oonoerned with the isolation 2 and oharaoterlza-Detroit 2, Miohlgan tion 3 of memaein, a orystalline ineeotioidal oonatituent of the see& of Mamma amerloana L. We should nor like to record oertain observations whioh lead to the aaaignment of structure I to thie rubstanoe. Mammein represents the first naturally oocurring oowin 4 with a n-propyl aubstituent at C-4 and It is aleo interesting to note that a number of aynthetlo ooumarlns have been shorn to exhibit ineeotioidal activitye5 Dlhydromammein (II), In whloh the lsopropylidene double bond 3 of mameln (I) has been reduoed, upon heating with yk aqueous alkali led to 1

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Naturally occurring oxygen heterocyclics
Naturally occurring oxygen heterocyclics 4-phenyl-5,7-dihydroxy-6-isovaleryl-8-isopentenylcoumarin
โœ R.A. Finnegan; Carl Djerassi ๐Ÿ“‚ Article ๐Ÿ“… 1959 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 192 KB

IB a reoent oomnuuicatlonl from this Laboratory it was shorn that the lueeotloidal oonstituent2 mmmnein from the seeds of &mea americana L. possesses struoture I. Through the kind oo-operation of Dr. Murrell P. Morris of the U.S. Department of &riculture Experiment Station In Msyaguee, Puerto Rioo,