Knowledge Center

Patent / Jan 01, 1976

16.beta.-Methyl-17-hydroxypregna-1,4,9(11)-triene-3,20-dione

Authors:

Source:

GB 1397267

The title compd. I was prepd. from pregnanetrione II. Thus, ketalization of II using HOCH2CH2OH followed by redn. using KBH4 and then dehydration gave pregnene III. The Grignard reaction of III and MeMgBr followed by acid hydrolysis and bromination-dehydrobromination gave I.

Also in the Knowledge Center

/ Jan 01, 1989

Rhodium-containing hydrogenation catalysts for the conversion of methacycline to doxycycline

Scientific Article

View

/ Jan 01, 1989

Rhodium hydrogenation catalysts particularly for stereoselective hydrogenation of methacycline to doxycycline

Scientific Article

View

/ Jan 01, 1989

Homogeneous catalytic system for hydrogenation of methylenetetracyclines and a process for the preparation of same

Scientific Article

View

Browser not supported

Knowledge Center

16.beta.-Methyl-17-hydroxypregna-1,4,9(11)-triene-3,20-dione

Also in the Knowledge Center

Rhodium-containing hydrogenation catalysts for the conversion of methacycline to doxycycline

Rhodium hydrogenation catalysts particularly for stereoselective hydrogenation of methacycline to doxycycline

Homogeneous catalytic system for hydrogenation of methylenetetracyclines and a process for the preparation of same

Related Content

ASD-HIPROS

Inhalation devices

Hovione and GEA Strengthen Partnership to Advance Continuous Tableting Technology