| 摘要 |
<p>1,178,090. Piperidine derivatives. SOC. FARMACEUTICI ITALIA. 24 Dec., 1968 [29 Dec., 1967], No. 61321/68. Addition to 1,110,637. Heading C2C. L(-) and D( + ) 1,α,α-Trimethyl-2-piperidyl carbinol diphenylacetate (including salts thereof, e.g. the hydrochloride) are obtained by resolution of the racemate. The examples describe a separation using D( + ) and L(-) tartaric acid. Pharmaceutical preparations showing anaesthetic activity contain as active ingredient the above L(-) and D(+) piperidyl compounds; administration is, e.g. endovenously or subcutaneously.</p> |
