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Chiral Building Blocks in Asymmetric Synthesis
Chiral Building Blocks in Asymmetric Synthesis A comprehensive introduction to the important classes of chiral building blocks Chirality — the asymmetric quality found in certain chemical compounds — plays an essential role in our world: chiral compounds can be found in biology, pharmaceutical compounds, agrochemicals, and fragrances. The stereoselective preparation of these complex molecular constructions constitutes a challenge. To this end, modern asymmetric synthesis utilizes a variety of valuable and efficient reagents employed as chiral auxiliaries, metal complexes and organocatalysts in stereoselective catalysis, and enantiopure reactants termed as chiral building blocks. In Chira...
"Oh, Yes it Is"!
"Imagine Christmas without pantomime -- without the Ugly Sisters, Dick Whittington and his Cat, or Jack slaying the giant! They are as much a part of holiday tradition as the turkey, mince pies, the fairy on topthe Christmas tree, the holly and mistletoe. But how much do we know about this peculiarly British Institution. When did it start? And how did the characters and storylines assume the form we now regard as essential to the true nature of pantomime?
Pantomime
Menurut Atlanta, dia hanya punya 18 hari lagi. Menurut Asteria, tidak ada hari untuknya. Menurut mereka berdua, hidup mereka seperti pantomimer. Bersembunyi dalam topeng, dan tidak akan pernah ada yang bisa mendengar kata-kata mereka. Kata-kata yang ingin mereka teriakkan sejak lama. Saat mereka bertemu, Atlanta menyadari kehadiran Asteria, tapi Asteria menunggu kehadiran Atlanta. Pertemuan itu membuat mereka mempertanyakan keputusan masing-masing. Namun, apa dunia mau mendengarkan?
