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A reação de ciclização de prins: uma estratégia eficiente para síntese estereos...

Vasconcellos,Mário Luiz A. A.; Miranda,Leandro S. M.

The Prins cyclization reaction has significantly advanced in the last years as demonstrated by a number of applications described in the literature. The objective of this report is to introduce this powerful synthetic methodology to the undergraduate and graduated student, since it is rarely presented in an organic synthesis formal course. This reaction is, in some cases, the methodology of choice for the prepa...

Data: 2006   |   Origem: OASIS br

Temperature-dependent development and somatic growth in two allopatric populati...

Leandro, S. M.; Queiroga, H.; Rodriguez-Grana, L.; Tiselius, P.

This study compares the effect of temperature on the post-embryonic development time and weight-specific growth rate in 2 populations of Acartia clausi from different biogeographic areas (northern and southern Europe). Development was followed from nauplius I to adult at 3 temperatures (10, 15 and 18°C) at saturating food conditions. The relationship between development time and temperature was established by f...


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