首页>
外国专利>
intermediate products and procedures for framstellning of antihyperkolesterolemiska tetrazolforeningar
intermediate products and procedures for framstellning of antihyperkolesterolemiska tetrazolforeningar
展开▼
机译:中间体产品和抗四氢呋喃甾醇四唑强化成帧的程序
展开▼
页面导航
摘要
著录项
相似文献
摘要
This invention provides novel tetrazole intermediates of the formula IMAGE wherein R1 and R4 each are independently hydrogen, halogen, C1-4 alkyl, C1-4 alkoxy or trifluoromethyl; R2,R3,R5 and R6 each are independently hydrogen, halogen, C1-4 alkyl or C1-4 alkoxy; B is hydrogen, C1-4 alkoxycarbonyl, CH2Y or CH2Z; Y is hydrogen, hydroxyl or X; Z is IMAGE X is bromo, chloro or iodo; R10 is C1-4 alkyl; and R11 is phenyl which is unsubstituted or substituted by one or two C1-4 alkyl or chloro substituents. and processes thereof which are useful for the preparation of antihypercholesterolemic agents.
展开▼