منابع مشابه
Metal ions play a passive role in the hairpin ribozyme catalysed reaction.
The hairpin ribozyme is an example of a small catalytic RNA which catalyses the endonucleolytic transesterification of RNA in a highly sequence-specific manner. The hairpin ribozyme, in common with all other small ribozymes such as the hammerhead, requires the presence of a divalent metal ion co-factor (typically magnesium) for the reaction to take place. To investigate the role of magnesium io...
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In an "aldol addition" reaction an enol or enolate of an aldehyde or ketone reacts with a second aldehyde or ketone forming a new carbon-carbon bond which makes the aldol reaction an important reaction for organic synthesis. Originally, the aldol reaction used ethanal (see below) and therefore the product contained both an aldehyde and an alcohol functional group; thus it became known as the al...
متن کاملOrganic Synthesis: Aldol Condensation Reaction
In an "aldol addition" reaction an enol or enolate of an aldehyde or ketone reacts with a second aldehyde or ketone forming a new carbon-carbon bond. This makes the aldol reaction an important reaction for organic synthesis. Originally, the aldol reaction used ethanal (see below) and therefore the product contained both an aldehyde and an alcohol functional group; thus it became known as the al...
متن کاملTransition-metal catalysed C-N bond activation.
Transition-metal catalysed C-N bond activation has attracted much attention and become one of the most promising bond disconnection and formation strategies that encompass a broad spectrum of applications in many reactions. In this tutorial review, efficient strategies for catalytic cleavage of C(sp)-N, C(sp(2))-N and C(sp(3))-N bonds and their applications in new C-C and C-N bond formation rea...
متن کاملMetal‐Catalysed Azidation of Organic Molecules
The azide moiety is a desirable functionality in organic molecules, useful in a variety of transformations such as olefin aziridination, C-H bond amination, isocyanate synthesis, the Staudinger reaction and the formation of azo compounds. To harness the versatility of the azide functionality fully it is important that these compounds be easy to prepare, in a clean and cost-effective manner. Con...
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ژورنال
عنوان ژورنال: Bangladesh Journal of Scientific and Industrial Research
سال: 1970
ISSN: 2224-7157,0304-9809
DOI: 10.3329/bjsir.v42i1.350