Russell Marker extracted a similar sapogenin to the sarsasapogenin that comes from the sarsaparilla plant in Pennsylvania. The only difference between Diosgenin and Sarsasapogenin is an extra double bond found in diosgenin that is not found in sarsasapogenin. The Marker Degradation removed the unwanted side group. Further chemical reactions made a generous amount of progesterone.
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Red: Erie, Washington, Butler, Forest, Indiana,Somerset, Blair, Clinton, Juanita, Adams, Tioga, Northumberland, Lebanon, Wyoming, Chester, Lehigh, Monroe, Philadelphia. Orange: Crawford, Lawrence, Greene, Westmoreland, McKean, Clearfield, Bedford, Franklin, Mifflin, Lycoming, Dauphin, Berks, Luzerne, Susquehanna, Delaware, Pike. Blue:Mercer, Allegheny, Warren, Jefferson, Cameron, Centre, Fulton, Cumberland, Snyder, Bradford, Lancaster, Columbia, Carbon, Lackawanna, Bucks. Green: Beaver, Venango, Fayette, Armstrong, Elk, Cambria, Huntingdon, Perry, Union, York, Montour,Sullivan, Schuylkill, Montgomery, Northampton, Wayne. |
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