申请人:Pfizer Inc.
公开号:US05618970A1
公开(公告)日:1997-04-08
Compounds of formula ##STR1## where R is 5-indanyl or a carboxylic acid protecting group, or an amine salt thereof, are prepared by hydrogenating an (E)-allylic ether of formula ##STR2## in the presence of a stereoselective rhodium or ruthenium biphosphine catalyst and a protic solvent.
式为##STR1##的化合物,其中R为5-吲哚基或羧酸保护基,或其氨盐,可通过在立体选择性的铑或钌双膦催化剂和质子溶剂的存在下,加氢式为##STR2##的(E)-烯丙基醚来制备。