Dehomologation of Aldehydes via Oxidative Cleavage of Silyl Enol Ethers with Aqueous Hydrogen Peroxide Catalyzed by Cetylpyridinium Peroxotungstophosphate under Two-Phase Conditions

1999 ◽  
Vol 64 (16) ◽  
pp. 5954-5957 ◽  
Author(s):  
Satoshi Sakaguchi ◽  
Yumiko Yamamoto ◽  
Takuma Sugimoto ◽  
Hiroyo Yamamoto ◽  
Yasutaka Ishii
Keyword(s):  
Hydrogen Peroxide ◽  
Oxidative Cleavage ◽  
Aqueous Hydrogen Peroxide ◽  
Two Phase ◽  
Enol Ethers ◽  
Silyl Enol Ethers

Selective Oxidation of Vinyl Ethers and Silyl Enol Ethers with Hydrogen Peroxide Catalyzed by Peroxotungstophosphate

1997 ◽  
Vol 62 (21) ◽  
pp. 7174-7177 ◽  
Author(s):  
Hiroyo Yamamoto ◽  
Masaya Tsuda ◽  
Satoshi Sakaguchi ◽  
Yasutaka Ishii
Keyword(s):  
Hydrogen Peroxide ◽  
Selective Oxidation ◽  
Vinyl Ethers ◽  
Enol Ethers ◽  
Silyl Enol Ethers

Synthesis of α-silyloxyhydroperoxides from the reaction of silyl enol ethers and hydrogen peroxide

1983 ◽  
Vol 24 (16) ◽  
pp. 1737-1740 ◽  
Author(s):  
Isao Saito ◽  
Ryu Nagata ◽  
Kazuaki Yuba ◽  
Teruo Matsuura
Keyword(s):  
Hydrogen Peroxide ◽  
Enol Ethers ◽  
Silyl Enol Ethers

A Simple and Efficient Preparation of Penicillin V β-Sulfoxide

1986 ◽  
Vol 39 (7) ◽  
pp. 1165 ◽  
Author(s):  
M Davis ◽  
WY Wu
Keyword(s):  
Hydrogen Peroxide ◽  
High Yield ◽  
Aqueous Hydrogen Peroxide ◽  
Two Phase ◽  
Penicillin V ◽  
Phase Mixture

Penicillin V (1) can be oxidized to the β- sulfoxide (2) in high yield in a two-phase mixture of dichloromethane and aqueous hydrogen peroxide. The addition of acids or metallic catalysts is not necessary.

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