Synthesis plays a central role in any pharmaceutical development endeavor. Design synthetic routes to
pharmaceuticals/drugs in convergent and efficient manner are very fundamental to synthetic organic/medicinal
chemistry. Synthon disconnection approach / retrosynthetic analysis advocated by Prof.E.J.Corey has emerged as
powerful means in designing synthetic routes to small molecule pharmaceuticals. Taking the privilege of this
approach, a number of synthesis schemes has been proposed for a potent anti-hypertensive drug ‘Captopril’ on the
basis of its retrosynthetic analysis. The proposed synthesis schemes being a theoretical exploration, the actual
laboratory implementation requires the cross examination of a considerable number of factors such as reactions,
reagents and order of events. Generally, the route which is cost-effective, safe, employ readily available starting
materials and produce maximum yield in a short reaction time under robust condition is most viable.