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pro vyhledávání: '"Jorge Reyes López"'
Autor:
Jorge Reyes López
Publikováno v:
Revista nuestrAmérica, Iss 24, Pp e12696734-e12696734 (2024)
Tradicionalmente, desde una posición de izquierda estándar, el egoísmo ha sido rechazado y demonizado por formar parte de un éthos capitalista. El discurso crítico latinoamericano ha heredado esta lectura desde coyunturas revolucionarias y de tr
Externí odkaz:
https://doaj.org/article/ff42f421408f4c1e89b0b1fae8a3d671
Publikováno v:
ChemInform. 28
A study of the steroidal constituents of the leaves of Sansevieria hyacinthoides led to the isolation of 25 S -ruscogenin and a new natural pregnane: 1β, 3β-dihydroxy-5,16-pregnadien-20-one, whose structure was elucidated by spectroscopic methods a
Publikováno v:
Steroids. 58(9)
A three-step synthesis of 16-methylene-17α-hydroxypregna-1,4,9(11)-triene-3,20-dione, which has been previously obtained by microbial transformation, was achieved from 3s-hydroxy-16α,17-epoxy-16s-methyl-5α-pregn-9(11)-en-20-one in an overall yield