Über Bestandteile der Nebennierenrinde und verwandte Stoffe. 59. Mitteilung. Pregnen‐(4)‐ol‐(21)‐trion‐(3, 12, 20) und Pregnen‐(4)‐diol‐(12β, 21)‐dion‐(3, 20)

Fuchs, H. G.; Reichstein, T.

doi:10.1002/hlca.19430260216

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1943

2011

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Cited by 22 publications

(1 citation statement)

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“…portions of N sodium carbonate. After washing the ether solution 11 Microanalysis by Dr. Francine Schwarzkopf, Elmhurst, L. I.…”

Section: Methodsmentioning

confidence: 99%

INVESTIGATIONS ON STEROIDS. XI. NEW TRANSFORMATION PRODUCTS OF STROPHANTHIDIN: STUDIES ON ETHYL 3(β),5,19-TRIHYDROXYETIOCHOLANATE¹

Ehrenstein¹,

Johnson²,

Olmsted³

et al. 1950

J. Org. Chem.

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“…portions of N sodium carbonate. After washing the ether solution 11 Microanalysis by Dr. Francine Schwarzkopf, Elmhurst, L. I.…”

Section: Methodsmentioning

confidence: 99%

INVESTIGATIONS ON STEROIDS. XI. NEW TRANSFORMATION PRODUCTS OF STROPHANTHIDIN: STUDIES ON ETHYL 3(β),5,19-TRIHYDROXYETIOCHOLANATE¹

Ehrenstein¹,

Johnson²,

Olmsted³

et al. 1950

J. Org. Chem.

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The Oppenauer Oxidation

Djerassi¹

2011

Organic Reactions

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The application of the reduction of aldehdyes and ketones has been reviewed in an earlier chapter (The Meerwin‐Pondorff‐Verley reduction). The reversible nature of the reaction was demonstrated by Verley, but it was not until 1937 that Oppenauer showed that unsaturated steroid alcohols could be oxidized to the corresoponding ketones in excellent yield using aluminum t‐butoxide. In the presence of a large amount of acetones. Acetone functions as the hydrogen acceptor and the large excess serves to shift the equilibrium into the desired direction. This reaction is called the Oppenauer reaction hand is useful in steroid chemistry. The Oppenauer oxidation employs mild conditions so it will undoubtedly find use in synthetic organic chemistry. The recent experimental modifications are discussed here.

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Über Bestandteile der Nebennierenrinde und verwandte Stoffe. 60. Mitteilung. 11‐Dehydro‐progesteron

Hegner

Reichstein

1943

Helvetica Chimica Acta

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Über Bestandteile der Nebennierenrinde und verwandte Stoffe. 59. Mitteilung. Pregnen‐(4)‐ol‐(21)‐trion‐(3, 12, 20) und Pregnen‐(4)‐diol‐(12β, 21)‐dion‐(3, 20)

Cited by 22 publications

References 12 publications

INVESTIGATIONS ON STEROIDS. XI. NEW TRANSFORMATION PRODUCTS OF STROPHANTHIDIN: STUDIES ON ETHYL 3(β),5,19-TRIHYDROXYETIOCHOLANATE¹

INVESTIGATIONS ON STEROIDS. XI. NEW TRANSFORMATION PRODUCTS OF STROPHANTHIDIN: STUDIES ON ETHYL 3(β),5,19-TRIHYDROXYETIOCHOLANATE¹

The Oppenauer Oxidation

Über Bestandteile der Nebennierenrinde und verwandte Stoffe. 60. Mitteilung. 11‐Dehydro‐progesteron

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Über Bestandteile der Nebennierenrinde und verwandte Stoffe. 59. Mitteilung. Pregnen‐(4)‐ol‐(21)‐trion‐(3, 12, 20) und Pregnen‐(4)‐diol‐(12β, 21)‐dion‐(3, 20)

Cited by 22 publications

References 12 publications

INVESTIGATIONS ON STEROIDS. XI. NEW TRANSFORMATION PRODUCTS OF STROPHANTHIDIN: STUDIES ON ETHYL 3(β),5,19-TRIHYDROXYETIOCHOLANATE1

INVESTIGATIONS ON STEROIDS. XI. NEW TRANSFORMATION PRODUCTS OF STROPHANTHIDIN: STUDIES ON ETHYL 3(β),5,19-TRIHYDROXYETIOCHOLANATE1

The Oppenauer Oxidation

Über Bestandteile der Nebennierenrinde und verwandte Stoffe. 60. Mitteilung. 11‐Dehydro‐progesteron

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Product

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INVESTIGATIONS ON STEROIDS. XI. NEW TRANSFORMATION PRODUCTS OF STROPHANTHIDIN: STUDIES ON ETHYL 3(β),5,19-TRIHYDROXYETIOCHOLANATE¹

INVESTIGATIONS ON STEROIDS. XI. NEW TRANSFORMATION PRODUCTS OF STROPHANTHIDIN: STUDIES ON ETHYL 3(β),5,19-TRIHYDROXYETIOCHOLANATE¹