The constitution and stereochemistry of 1, a yellow triterpenoid pigment isolated from a Somalian collection of the sponge Stelletta sp., has bben unequivocally established by spectral and x-ray crystallographic methods. The assignment of trans-barsyn-trans stereochemistry to the tricyclic nucleus of 1 suggests that the structures of several recently described tritepenoids from Japsis stellifera be reassigned. © 1982.
A triterpenoid pigment with the isomalabaricane skeleton from the marine sponge stelletta sp / T., Mccabe; J., Clardy; L., Minale; C., Pizza; Zollo, Franco; R., Riccio. - In: TETRAHEDRON LETTERS. - ISSN 0040-4039. - STAMPA. - 23:(1982), pp. 3307-3310.
A triterpenoid pigment with the isomalabaricane skeleton from the marine sponge stelletta sp.
ZOLLO, FRANCO;
1982
Abstract
The constitution and stereochemistry of 1, a yellow triterpenoid pigment isolated from a Somalian collection of the sponge Stelletta sp., has bben unequivocally established by spectral and x-ray crystallographic methods. The assignment of trans-barsyn-trans stereochemistry to the tricyclic nucleus of 1 suggests that the structures of several recently described tritepenoids from Japsis stellifera be reassigned. © 1982.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
