CIS-2-METHYLSPIRO 1, 3-OXATHIOLANE 5-3 QUINUCLIDINE
Pharmaceutical-grade compounds containing cis-2-methylspiro(1,3-oxathiolane-5,3′)quinuclidine having a purity >99.0% by HPLC with less than 0.5% of trans-2-methylspiro(1,3-oxathiolane-5,3′)quinuclidine are provided.
1 . A compound containing cis-2-methylspiro(1,3-oxathiolane-5,3′)quinuclidine having a purity >99.0% by HPLC with less than 0.5% of trans-2-methylspiro(1,3-oxathiolane-5,3′)quinuclidine.
2 . The compound according to claim 1 wherein the cis-2-methylspiro(1,3-oxathiolane-5,3′)quinuclidine is a hydrochloride or hydrate form thereof.
3 . The compound according to claim 1 wherein the cis-2-methylspiro(1,3-oxathiolane-5,3′)quinuclidine is in the form of a pharmaceutically acceptable salt or organic or inorganic acid addition salt thereof.