| 摘要 |
<p>Title cpds. of formula (I):- (where R = 1-4C alkyl n = 2 or o) are prepd. by reduction of the carbalkoxy gps. of the corresponding methyl, ethyl or propyl acid esters, pref. with AlH3. The product may be the optical isomers, the racemate of the meso cpd. the (+)-optional is partic. active as an anti-tubercular drug.</p> |
