The Chemical Development of the Commercial Route to Sildenafil: A Case History
作者:David J. Dale、Peter J. Dunn、Clare Golightly、Michael L. Hughes、Philip C. Levett、Andrew K. Pearce、Patricia M. Searle、Gordon Ward、Albert S. Wood
DOI:10.1021/op9900683
日期:2000.1.1
This paper is a case history of the chemicaldevelopment of sildenafil which covers various aspects of work in chemicaldevelopment namely: route selection, scale-up issues, the development of an efficient synthesis with high throughput, process safety, and environmental issues. Interesting chemical points include improved methods of preparing pyrazolo[4,3-d]pyrimidines and the unusual isolation of