Leukotriene inhibitor and method for producing the same

The present invention relates to a compound for inhibiting cysteinyl leukotrienes (CysLT) which is the most potent bronchoconstrictors. The present invention further relates to methods for producing the compound either from natural product or chemical synthesis. The compound from the present invention is potent for preventing or treating inflammatory disorders such as psoriasis, asthma, rheumatoid arthritis, inflammatory bowel diseases and ischemic renal failure.