When generated at 100°C, aliphatic and aromatic thioaldehydes without electronic bias are shown to undergo addition reactions to both aliphatic and aromatic 1,3-dienes. The reaction is shown to have application in an intramolecular example.
HETEROCYCLIC COMPOUNDS AS DIPEPTIDYL PEPTIDASE-IV INHIBITORS FOR THE TREATMENT OR PREVENTION OF DIABETES
申请人:Biftu Tesfaye
公开号:US20110224195A1
公开(公告)日:2011-09-15
The present invention is directed to substituted six-membered heterocyclic compounds of structural formula (I) which are inhibitors of the dipeptidyl peptidase-IV enzyme and which are useful in the treatment or prevention of diseases in which the dipeptidyl peptidase-IV enzyme is involved, such as obesity and diabetes, particularly Type 2 diabetes. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which the dipeptidyl peptidase-IV enzyme is involved.
[EN] HETEROCYCLIC COMPOUNDS AS DIPEPTIDYL PEPTIDASE-IV INHIBITORS FOR THE TREATMENT OR PREVENTION OF DIABETES<br/>[FR] COMPOSÉS HÉTÉROCYCLIQUES EN TANT QU'INHIBITEURS DE DIPEPTIDYLPEPTIDASE-IV POUR LE TRAITEMENT OU LA PRÉVENTION DES DIABÈTES
申请人:MERCK & CO INC
公开号:WO2009025784A1
公开(公告)日:2009-02-26
The present invention is directed to substituted six-membered heterocyclic compounds of structural formula (I) which are inhibitors of the dipeptidyl peptidase-IV enzyme and which are useful in the treatment or prevention of diseases in which the dipeptidyl peptidase-IV enzyme is involved, such as obesity and diabetes, particularly Type 2 diabetes. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which the dipeptidyl peptidase-IV enzyme is involved.