ChemInform Abstract: PHOTOCHEMISTRY OF TWO β,β′-EPOXY KETONES, 3-OXATRICYCLO(3.2.1.02,4)OCTAN-8-ONE AND 3-OXATRICYCLO(3.3.1.02.4)NONAN-9-ONE. INTRAMOLECULAR REACTIONS OF α,β-UNSATURATED ALDEHYDO KETENES

1978 ◽  
Vol 9 (51) ◽  
Author(s):  
S. AYRAL-KALOUSTIAN ◽  
S. WOLFF ◽  
W. C. AGOSTA
Keyword(s):  
Intramolecular Reactions ◽  
Epoxy Ketones

Highly Efficient Solid-State Synthesis of α,β-Epoxy Ketones

Synthesis ◽  
2005 ◽  
Vol 2005 (12) ◽  
pp. 1945-1948
Author(s):  
Baohua Chen ◽  
Fangfang Ma ◽  
Xiaolong Li ◽  
Tian Lan ◽  
Yongxiang Ma ◽  
...  
Keyword(s):  
Solid State ◽  
Solid State Synthesis ◽  
Highly Efficient ◽  
Epoxy Ketones

scholarly journals Studies on the formation of complex oxidation and condensation products of phenols. Part III. -Rearrangements of oxidation-reduction type in the diquinone group

1933 ◽  
Vol 143 (848) ◽  
pp. 223-228 ◽  
Keyword(s):  
Hydroxyl Group ◽  
Hydrogen Atoms ◽  
Blue Colour ◽  
Highly Active ◽  
Oxidation Reduction ◽  
Intramolecular Reactions ◽  
Trimethyl Ether ◽  
Free Hydroxyl ◽  
Ethereal Oxygen ◽  
Complex Oxidation

The diquinones have been but little investigated, and as they contain two condensed highly active quinonid systems it is to be anticipated that they should be capable of interesting intramolecular reactions. When heated to 210-215º, 4 : 4'-dimethoxydiquinone is rapidly converted into a red crystalline isomeride (yield, 90%), soluble in alkali with an intense blue colour, and yielding a mono-acetate indicating the occurrence of a free hydroxyl group. Two hydrogen atoms are taken up on reduction, and the phenolic product yields a triacetate and a trimethyl ether. It follows that of the four carbonyl oxygens of 4 : 4'-dimethoxydiquinone, one has been converted into a hydroxyl group, and another which does not exhibit any functional activity, is probably present as ethereal oxygen. These results led to formula (III) as representing the product of rearrangement.

Intramolecular reactions of azidoalkenes. The 2-(azidoalkyl)quinone rearrangement

1984 ◽  
Vol 49 (9) ◽  
pp. 1676-1678 ◽  
Author(s):  
Arthur G. Schultz ◽  
Wayne G. McMahon
Keyword(s):  
Intramolecular Reactions

Synthesis of α,β-unsaturated Epoxy Ketones Utilizing a Bifunctional Sulfonium/Phosphonium Ylide

2021 ◽  
Author(s):  
Roozbeh Eskandari ◽  
Jeremy P Hess ◽  
Gregory P Tochtrop
Keyword(s):  
Rapid Synthesis ◽  
Epoxy Ketones

Herein, a new protocol for rapid synthesis of α,β-unsaturated epoxy ketones utilizing a bifunctional sulfonium/phosphonium ylide is described. This approach comprises two sequential chemoselective reactions between sulfonium and phosphonium ylides...

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