Temperature-Independent Stereoselectivity in Intramolecular Cycloaddition of Ketene Generated from Diazoester in Solution and in Vapor Phase: How Entropy Term Governs the Selectivity

Takashi Sugimura,Eigo Mitani,Takahiro Tei,Tadashi Okuyama,Katsumasa Kamiya,Toru Matsui,Yasuteru Shigeta

Temperature-Independent Stereoselectivity in Intramolecular Cycloaddition of Ketene Generated from Diazoester in Solution and in Vapor Phase: How Entropy Term Governs the Selectivity

2012

Takashi Sugimura
Eigo Mitani
Takahiro Tei
Tadashi Okuyama
Katsumasa Kamiya
Toru Matsui
Yasuteru Shigeta

The intramolecular [2 + 2] cycloaddition between alkene and ketene linked with 2,4-pentanediol tether was performed in a wide range of temperature, −60 to +400 °C. When the ketene was generated by ...

Keywords:

Ketene
Inorganic chemistry
Organic chemistry
Stereoselectivity
Chemistry
Cycloaddition
Intramolecular force
Photochemistry
vapor phase
Alkene
temperature independent
Selectivity

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