41863-46-1Relevant articles and documents
Supported l-proline on zirconium phosphates methyl and/or phenyl phosphonates as heterogeneous organocatalysts for direct asymmetric aldol addition
Calogero, Salvatore,Lanari, Daniela,Orru, Mara,Piermatti, Oriana,Pizzo, Ferdinando,Vaccaro, Luigi
experimental part, p. 112 - 119 (2011/10/01)
Zirconium phosphates methyl and/or phenyl phosphonates-supported l-proline have been prepared as amorphous solids by precipitation of (4R)-4-(phosphonooxy) -l-proline, methyl and/or phenyl phosphonic acid with ZrOCl2. The supported l-proline ca