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Disponibilidad
Institución detectada Período Navegá Descargá Solicitá
No detectada desde mar. 1997 / hasta dic. 2023 Science Journals

Información

Tipo de recurso:

revistas

ISSN impreso

0036-8075

ISSN electrónico

1095-9203

Editor responsable

American Association for the Advancement of Science (AAAS)

País de edición

Estados Unidos

Fecha de publicación

Cobertura temática

Tabla de contenidos

Reviewing Einstein

Daniel Kennefick; Martin Blume

Palabras clave: Multidisciplinary.

Pp. 149-149

Comment on “Asymmetric syntheses of sceptrin and massadine and evidence for biosynthetic enantiodivergence”

David H. Sherman; Sachiko Tsukamoto; Robert M. Williams

<jats:p> Ma <jats:italic>et al</jats:italic> . (Reports, 10 October 2014, p. 219) report asymmetric syntheses of sceptrin and massadine and, through a stereochemical reassignment, claim to “uncover enantiodivergence as a new biosynthetic paradigm for natural products.” We challenge and clarify this claim with relevant examples from the literature of this well-known phenomenon of enantiodivergent congener biosynthesis within the same producing organism. </jats:p>

Palabras clave: Multidisciplinary.

Pp. 149-149

Response to Comment on “Asymmetric syntheses of sceptrin and massadine and evidence for biosynthetic enantiodivergence”

Zhiqiang Ma; Xiaolei Wang; Xiao Wang; Rodrigo A. Rodriguez; Curtis E. Moore; Shuanhu Gao; Xianghui Tan; Yuyong Ma; Arnold L. Rheingold; Phil S. Baran; Chuo Chen

<jats:p> Sherman <jats:italic>et al</jats:italic> . commented on the precedence of enantiodivergence, listing a number of congeneric natural products with opposite chirality. However, these “congeners” are not derived from enantiodivergent biosyntheses. Instead, they are antipodes arising from separate enantiomeric biosyntheses. A distinct feature of the biosynthesis of the cyclic pyrrole-imidazole dimers is the production of antipodal congeners without the corresponding enantiomers. </jats:p>

Palabras clave: Multidisciplinary.

Pp. 149-149

Laid-back bamboo eater

S. Vignieri

Palabras clave: Multidisciplinary.

Pp. 150-150

Black hole out of kilter with theory

I. S. Osborne

Palabras clave: Multidisciplinary.

Pp. 150-150

Structure of a sterol sensor

V. Vinson

Palabras clave: Multidisciplinary.

Pp. 150-150

Continental global water filter

N. S. Wigginton

Palabras clave: Multidisciplinary.

Pp. 150-150

Protecting neurons from amyloid  

W. Wong

Palabras clave: Multidisciplinary.

Pp. 150-150

"Missing magnetism" puzzle solved

Z. H. Kafafi

Palabras clave: Multidisciplinary.

Pp. 150-151

A coat of many components

S. M. Hurtley

Palabras clave: Multidisciplinary.

Pp. 150-151