Thieno[2,3-b]pyridine derivatives, functionalized on the thiophene ring have been synthesized in two different ways: electrophilicsubstitution of thieno[2,3-b]pyridine derivatives or construction of a pyridine ring starting from disubstituted thiophene compounds. The products obtained were used in the synthesis of chiral NADH models.
噻吩并[2,3- b ]吡啶衍生物,官能化的噻吩环上有两种不同的方式被合成:噻吩并[2,3-的亲电取代b ]吡啶衍生物或取代的噻吩化合物开始吡啶环的结构。获得的产物用于手性NADH模型的合成。
PROCESS FOR PREPARING SUBSTITUTED ACETALS OF MALONDIALDEHYDE
申请人:——
公开号:US20020040166A1
公开(公告)日:2002-04-04
A process directed to the preparation of 2-substituted and 2,2-disubstituted acetals of malondialdehyde from ortho formates and substituted vinyl ethers in the presence of an acidic catalyst.