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- URN zum Zitieren dieses Dokuments:
- urn:nbn:de:bvb:355-epub-156590
- DOI zum Zitieren dieses Dokuments:
- 10.5283/epub.15659
Zusammenfassung
l,2,3,4-Tetrahydro-6,7-dimethoxy-2-methylisoquinoline (1) is converted by ethyl chloroformate (ECF)/NaBH3CN to 2-[ß-(N-ethoxycarbonyl-N-methyl)aminoethyl]-4,5-dimethoxytoluene (4) via the quaternary urethane 2, The same procedure leads from laudanosine (5) to the dibenzyl derivative 9. The reaction with ECF/NaBH3CN followed by LiAlH4 reduction is a versatile approach to Emde degradation ...
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