Process for preparing 10-methyl-2,9- dioxatricyclo [4,3,1,0...

Details Process for preparing 10-methyl-2,9- dioxatricyclo [4,3,1,0... Process for preparing 10-methyl-2,9- dioxatricyclo [4,3,1,0...

C - Chemistry, Metallurgy

07

D

260/351, 260/353

C07D 319/08 (2006.01) C07D 493/08 (2006.01)

Patent

CA 1130300

ABSTRACT OF THE DISCLOSURE A process for preparing 10-methyl-2,9-dioxatri- cyclo[4,3,1,03,7] decane derivatives is disclosed, wherein a 10-methylen-3-iodomethyl compound of the formula Image is hydrogenated to obtain a mixture of the corresponding epidermic 10.beta.- and 10.alpha.-methyl-3-iodomethyl compounds, the pure 10.alpha.- and 10.beta.-methyl epimers are separated and recovered from this mixture and are reacted with a secondary amine. Option- ally, the substituent in the 4-position of the resulting 10.alpha.- or 10.beta.-methyl-3-aminomethyl compounds are further changed.

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