allenes造句

例句与造句

1. Homogeneous Catalytic Hydroamination of Alkynes and Allenes with Ammonia.
2. Are allenes with zwitterionic character still allenes?
3. Are allenes with zwitterionic character still allenes?
4. Tius's allenyl substrates can exhibit axial to tetrahedral chirality transfer if enantiopure allenes are used.
5. Chiral allenes and imines can be employed for an asymmetric DABCO-catalyzed aza-MBH reaction.
6. It's difficult to find allenes in a sentence. 用allenes造句挺难的
7. At UC Irvine she worked on addition reactions in allenes and bonding and reactions of sulfur compounds.
8. Molybdenum hexacarbonyl is a carbon monoxide donor in PK-type reactions between allenes and alkynes with dimethyl sulfoxide in toluene.
9. Tius has additionally developed a camphor-based auxiliary for achiral allenes that was employed in the first asymmetric synthesis of roseophilin.
10. A Cationic Gold ( I ) Complex as a General Catalyst for the Intermolecular Hydroamination of Alkynes : Application to the One-Pot Synthesis of Allenes from Two Alkynes and a Sacrificial Amine Xiaoming Zeng .; Guido D . Frey .; Shazia Kousar .; Guy Bertrand *.
11. Hence, in the third case, the lack of planarity described above gives rise to what is termed axial chirality in otherwise identical isomeric pair of spiro compounds, because they differ only in the right-" versus " left-handed " twist " of structurally identical rings ( as seen in allenes, sterically hindered biaryls, and alkylidenecycloalkanes as well ).