87929-18-8Relevant academic research and scientific papers
The Reactions of Acetals with Silyl Enol Ethers Promoted by the Combination of Tin(II) Chloride and Organic Halide. Novel and Convenient Synthesis of α,β-Unsaturated Ketones
Oriyama, Takeshi,Iwanami, Katsuyuki,Miyauchi,Yuka,Koga, Gen
, p. 3716 - 3718 (2007/10/02)
Acetals react with silyl enol ethers to give condensation products in good yield by the action of a reactive halide such as acetyl chloride or methoxymethyl chloride along with a catalytic amount of SnCl2.The procedure employing excessive amount of halide offers a novel and convenient method to synthesize conjugated enones.
1,4-DIANION OF ACETOPHENONE N-ETHOXYCARBONYLHYDRAZONE AS A SYNTHETIC INTERMEDIATE
Matsumura, Noboru,Kunugihara, Akira,Yoneda, Shigeo
, p. 3239 - 3242 (2007/10/02)
Various β-hydroxyketones and α,β-unsaturated ketones were prepared by the reaction of aldehydes and ketones with 1,4-dianion (2) which is derived from acetophenone N-ethoxycarbonylhydrazone (1) with butyllithium.In the reaction of 2 with carbonyl compounds such as ester, amide, acid anhydride, acyl chloride, and alkyl carbonate, pyrazole derivatives were obtained in good yields.
