1β-Methylthienamycin: Some stereocontrolled approaches towards the key intermediate
作者:Mukund K Gurjar、Manjunath N Bhanu、Vivek B Khare、Ashok Bhandari、Madhusudhan N Deshmukh、A V Rama Rao
DOI:10.1016/s0040-4020(01)96165-4
日期:1991.8
Two stereocontrolled approaches towards a precursor of 1 beta-methyl-thienamycin, have been accomplished by involving stereospecific hydrogenation of 13 and stereoselective hydroboration oxidation of 9. The latter compounds were obtained from the easily accessible chiral building block 7. The hydroboration-oxidation approach was extended to 18 in which the optically active 1R- (1-hydroxy ethyl) side-chain was incorporated. The highly stereoselective hydroboration-oxidation reaction of 9 is explained by considering Houk's models.
RAO, A. V. RAMA;GURJAR, M. K.;KHARE, V. B.;ASHOK, B.;DESHMUKH, M. N., TETRAHEDRON LETT., 31,(1990) N, C. 271-274
作者:RAO, A. V. RAMA、GURJAR, M. K.、KHARE, V. B.、ASHOK, B.、DESHMUKH, M. N.