The synthesis of twenty five esters of testosterone (17β -hydroxyandrost- 4-en-3-one) is described. All esters are derivatives of cycloalkycarboxylic acids. Some of the esters possess α- , β -and/or & - substitution in the ester side-chain. The work was undertaken in order to evaluate long-acting male antifertility effect of such esters. Most of the compounds, especially compound No.1, wer...

Andrographis paniculata (Nees), is a valuable traditional medicinal plant and it has many important bioactive compounds. It cures and prevents a number of diseases in human beings. It is a boon of the nature of human healthy life. It cures cold, fever, colic pain, active against inflammatory, antidiabetic activity, antioxidant, antifertility, cardiovascular and anti-virus including inhibited HI...

Woodfordia fruticosa is locally known as Dhawai, belonging to the Lythraceae family. Woodfordia fruticosa is an important medicinal plant of tropical and subtropical India. It has wide range of medicinal and pharmacological application. It is commonly used in the treatment of various diseases like diarrhea, dysentery, fever, headache, hemorrhoids, herpes, internal hemorrhage, leucorrhoea, liver...