Preparation of 4-acetoxy-2-methylbutanal with carbon-carbon double bond hydrogenation over a catalystThis invention, being new manner for producing the 4 acetoxy 2 methyl - butanal, regards the manner where non acidic catalytic converter system is used.ボンラス, ワーナー...
4-Bromo-2-Methylbutanal (9) To a solution of 8 (2.09 g, 10 mmol) in anhydrous dimethyl ether (30 ml) was carefully added DIBAL-H (10.5 ml, 1.0 M in hexane) so that the temperature did not exceed −80°C. After addition, the mixture was kept at −80°C for 1 hr and was ...
ethyl 1-keto-1H-6-pentylthiazole; 2-a pyrimidine-2-carboxylate; ethyl 1-keto-1H-b-fensh1cyclopentenazole 3,2-a pyrimidine-2-carboxylate ethyl 1-keto-1H-b, 8-dimethylcyclohexentiazole 3,2-a pi pi midin-2-carboxylate; ethyl 1-keto-1H-8-methylcyclooctentiazole 3,2-a-pyrimy in-2-c...
Preparation of 4-acetoxy-2-methylbutanal by catalytic carbon carbon double bond hydrogenationThe present invention relates to a new way for the production of 4-acetoxy-2-methyl-butanal, wherein a non-acidic catalytic system is used.doi:US8829231 B2BONRATH, Werner...