78333-25-2Relevant academic research and scientific papers
Aryl sulfonic acids and derivatives as FSH antagonists
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, (2008/06/13)
This invention provides compounds of formula I having the structure wherein R1, Ar, Ar′, and Q are as defined in the specification, or a pharmaceutically acceptable salt thereof, which are useful as contraceptive agents.
Continuous reduction process
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, (2008/06/13)
A process for the reduction of aromatic nitro compounds to amino compounds in the liquid phase using iron as reducing agent, which comprises carrying out the reduction continuously such that the reducing iron, based on the amount of nitro compound present in the reactor, is present in an amount substantially in excess of the stoichiometric amount, and effecting the continuous removal of the reaction products such that the substantial excess of reducing iron is also constantly present in the reactor during the reduction.
