Butenandt

• “Progesterone was isolated by Butenandt from the corpus luteum in 1934.”

  Adolf Butenandt - Biography

• “In 1939 the Nobel Prize for Chemistry was shared between Adolf Butenandt from”

  The Nobel Prize in Chemistry: The Development of Modern Chemistry

• “Butenandt was recognized "for his work on sex hormones", having isolated estrone, progesterone and androsterone.”

  The Nobel Prize in Chemistry: The Development of Modern Chemistry

• “Nobel Prizes to the German scientists Gerhard Domagk and Adolf Butenandt had been announced at the same time as Kuhn's award.”

  Personal and National Tragedy Undermine Krehl's Dream

• “Kuhn, Domagk and Butenandt subsequently sent formal notices to Sweden turning down their awards.”

  Personal and National Tragedy Undermine Krehl's Dream

• “Butenandt received the 1939 prize in Chemistry for his work on sex hormones, de”

  The Nobel Prize in Physiology or Medicine, 1901-2000

• “Butenandt started with male urine, or alternatively its chloroform extract - approximately 0.8 per thousand dissolved in chloroform.”

  Nobel Prize in Chemistry 1939 - Presentation Speech

• “* Professor Adolf Butenandt was awarded half of the Nobel Prize in Chemistry for 1939, for his work on sex hormones.”

  Nobel Prize in Chemistry 1939 - Presentation Speech

• “The synthesis of this important pregnancy hormone from cholesterol was carried out by Butenandt in a simple way in 1939.”

  Nobel Prize in Chemistry 1939 - Presentation Speech

• “In 1934, Butenandt and Westphal succeeded in producing this hormone, which was given the name progesterone, in a chemically pure form.”

  Nobel Prize in Chemistry 1939 - Presentation Speech

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