The present disclosure pertains to new methods of performing a hydrodealkenylation of monounsaturated alcohols, thiols, and derivatives thereof, such as terpenes and derivatives, comprising ozonolysis and quenching using a sulfinic acid or sulfinic acid salt.
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Paragraph 00030; 00032-00033
(2022/01/24)
Meerwein-Ponndorf-Verley-type reductive acetylation of carbonyl compounds to acetates by lanthanide complexes in the presence of isopropenyl acetate
Meerwein-Ponndorf-Verley-type reductive acetylation of carbonyl compounds to acetates was successfully carried out in the presence of isopropenyl acetate under the influence of a catalytic amount of Ln(O(i)Pr)3 at room temperature. Various carbonyl compounds were converted into the corresponding acetates in fair to good yields. (C) 2000 Elsevier Science Ltd.
Oxidation by Cobalt(III) Acetate. Part 7. Regioselective Synthesis of Substituted Cyclohexenyl Acetates
The oxidation of alkylcyclohexenes with cobalt(III) acetate has been studied in acetic acid under nitrogen. 1-Alkylcyclohexenes gave exclusively the corresponding 3-acetoxy-1-alkylcyclohexenes in good yields.Similarly, 3- and 4-methylcyclohexene afforded 3-acetoxy-6- and -5-methylcyclohexene, respectively, in suprising high selectivities.In all cases, the position α to the alkyl group was completely or largely insensitive to CoIII.The results can be explained in terms of steric hindrance of the alkyl group which limits the attack of CoIII at a hindered site.
Hirano, Masao,Morimoto, Takashi
p. 1105 - 1108
(2007/10/02)
Oxidation by Cobalt(III) Acetate. Part 3. Allylic Oxidation of Various Olefins in Acetic Acid
Allylic oxidation of various olefins with cobalt(III) acetate in acetic acid under nitrogen has been investigated.The substrates studied include allylbenzene, oct-1-and -trans-4-ene, cycloalkenes (C5-C8), and 1-and 4-methyl-cyclohexene.The reaction gave exclusively the allylic acetate as the primary product; no 1,2-addition or skeletal rearrangement product was formed in significant amount.Some mechanistic aspects of allylic oxidation are discussed.
Hirano, Masao,Nakamura, Kouji,Morimoto, Takashi
p. 817 - 820
(2007/10/02)
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