we have synthesized acetal and ketal derivatives of 4'-demethylepipodophyllotoxin-beta-d-glucoside ( dmepg ) and epipodophyllotoxin-beta-d-glucoside ( epg ) with a number of different aldehydes ( viz . acetaldehyde , propionaldehyde , 2-thiophenecarboxaldehyde , 3-thiophenecarboxaldehyde , 2-furancarboxaldehyde , benzaldehyde , phenylacetaldehyde , hydrocinnamaldehyde ) and acetone .
C0001992
aldehydes
C0016849
2-furancarboxaldehyde