CAS: 60804-74-2; Tris(2,2'-Bipyridine)Ruthenium Bis(Hexafluorophosphate)

专利信息

专利号:US-2025296906-A1
优先权日:2022-08-24
标 题 :Method for preparing 4-hydroxy-2-methylene-butanal, 4-hydroxy-2-methyl-but-2-enal and esters thereof
发明人：SCHAEFER BERND; SIEGEL WOLFGANG
权利人:BASF SE
摘要:The present invention relates to a method for preparing 4-hydroxy-2-methylene-butanal, 4-hydroxy-2-methyl-but-2-enal and esters thereof of the formula (I.a) and (I.b) where R1 is as defined in the claims and the description, by subjecting isoprenol or an ester thereof to a photooxidation in the presence of a photosensitizer and an acylating agent. The invention relates moreover to certain hydroperoxides of the compounds (I.a) or (I.b), and to the use thereof as intermediates in the synthesis of compounds (I.a) and (I.b) or in the synthesis of retinol, stereoisomers and derivatives thereof.

专利号:CN-116768781-A
优先权日:2023-05-24
标 题 :A method for photocatalytic synthesis of quaternary carbon ortho-diamines

专利号:CN-112225668-B
优先权日:2020-09-30
标题 :Synthesis method of alpha-alkyl glycine compound