Knowledge Center
Patent / Jan 01, 1984
Rhodium-containing catalysts and their application
Source:
EP 86046
A catalyst for hydrogenating tetracycline intermediates was prepd. by treating a Rh phosphine complex with a hydrazine. Thus (Ph3P)3RhCl was treated with N2H4 to give a catalyst contg. 16.95% Rh which was used together with PPh3 to hydrogenate I (RR1 = CH2) to give I (R = Me, R1 = H) free from epimer.
Also in the Knowledge Center
Scientific Article
/ Jan 24, 2019
New crystalline forms of vilanterol trifenatate and processes for their preparation
Read more
Scientific Article
/ Jan 24, 2019
Preparation of amorphous form of vilanterol trifenatate for the treatment of asthma and chronic obstructive pulmonary disease
Read more
Scientific Article