THE CONFIGURATION AT C-25 IN THE NATURAL SPIROSTAN SAPOGENINS

[1] FARMER, 1937, J CHEM SOC, P414

[2] FIESER, 1938, J AM CHEM SOC, V60, P28

[3] FREDGA, 1947, ANNALEN A, V24

[4] FREUDENBERG, 1953, ANNALEN, V584, P54

[5] LESKINEN, 1944, SVEDBERG 1884 30/8 1, P261

[6] MARKER, 1939, J AMER CHEM SOC, V61, P846

[7] MARKER, 1940, J AM CHEM SOC, V62, P518

[8] SCHEER, 1953, J AM CHEM SOC, V75, P4871

[9] 1944, ARK KEMI MIN GEOL B, V19

[1] FARMER, 1937, J CHEM SOC, P414

[2] FIESER, 1938, J AM CHEM SOC, V60, P28

[3] FREDGA, 1947, ANNALEN A, V24

[4] FREUDENBERG, 1953, ANNALEN, V584, P54

[5] LESKINEN, 1944, SVEDBERG 1884 30/8 1, P261

[6] MARKER, 1939, J AMER CHEM SOC, V61, P846

[7] MARKER, 1940, J AM CHEM SOC, V62, P518

[8] SCHEER, 1953, J AM CHEM SOC, V75, P4871

[9] 1944, ARK KEMI MIN GEOL B, V19