例句與造句

1. Short Synthesis of Skeletally and Stereochemically Diverse Small Molecules by Coupling Petasis Condensation Reactions to Cyclization Reactions
2. The conditions under which these cyclization reactions occur follow Baldwin's rules for ring closure.
3. Squalene, through a cyclization reaction with 2, 3-oxidosqualene 6 as an intermediate forms cycloartenol.
4. The racemic synthesis involves addition / cyclization reaction of 2-amino-1-phenylethanol with cyanogen bromide.
5. Many radiomimetic compounds are enediynes, which undergo the Bergman cyclization reaction to produce the para-benzyne diradical.
6. It's difficult to find cyclization reactions in a sentence. 用cyclization reactions造句挺難的
7. His group has also reported on the use of metal-hydride bonds as radical initiators of cyclization reactions.
8. The silicon-directed Nazarov cyclization reaction was subsequently employed in the synthesis of the natural product Silphinene, shown below.
9. An example of the latter case is shown below for the torquoselective Nazarov cyclization reaction of a chiral allenyl vinyl ketone.
10. Finally, an unusual ER catalyzed cyclization reaction, purported to go through a substitution like mechanism, forms the cyclopropane ring.
11. When the dipole and dipolarophile are part of the same molecule, an intramolecular cyclization reaction can lead to a polycyclic product of considerable complexity.
12. Geranyl pyrophosphate can also undergo two sequential cyclization reactions to form bicyclic monoterpenes, such as pinene which is the primary constituent of pine resin.
13. "' Delta-cadinene synthase "', a sesquiterpene cyclase, is an enzyme expressed in plants that catalyzes a cyclization reaction in terpenoid biosynthesis.
14. The catalytic mechanism uses coupled aspartate and histidine residues to initiate the cyclization reaction by protonating at C3 and deprotonating at C29, proceeding through a discrete series of carbocation intermediates.
15. The second cyclization reaction yields a mixture of diastereomers with the general structure depicted above, the predominant ones being ( 2R, 3R ) and ( 2S, 3S ).
16. The course of the templated cyclization depends on the presence of metal ion, which is provide directional influence, therefore acting as a'template'for the cyclization reaction.
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