Steroid and fatty acid contents from the leaves of .

Aim: To extract and identify the non-polar entities from the leaves of Carica papaya, a plant used for medicinal purpose as folk medicine.

Materials And Methods: Petroleum ether extract of the Carica papaya leaves was used for this study. Saponification process and methylation process was performed to separate fatty acids and unsaponifiable matters.

(E)-N'-{7-Meth-oxy-spiro-[chromeno[4,3-d]thia-zole-4,1'-cyclo-hexa-n]-2-yl}-N,N-dimethyl-acetimidamide.

In the chromenothia-zole ring system of the title mol-ecule, C(20)H(25)N(3)O(2)S, the pyran ring is in a half-chair conformation. The dihedral angle between the thia-zole and benzene rings is 14.78 (6)°.

Development and validation of a stability indicating method for the enantioselective estimation of omeprazole enantiomers in the enteric-coated formulations by high-performance liquid chromatography.

Omeprazole is widely prescribed in the form of enteric-coated formulations, due to the rapid degradation of the drug in the acidic condition of the stomach. In the current article, we are reporting the development and complete validation of a stability indicating chiral high-performance liquid chromatography (HPLC) method for the enantioselective analysis of omeprazole in the enteric-coated formulations. A precise and sensitive enantiomeric separation of omeprazole was obtained on Chiralcel OD-H analytical column (250mm × 4.