Alternative Synthesis of Tadalafil: PDE5 Inhibitor

Autor: Apurba Bhattacharya, Goverdhan Gilla, Lokeswara Rao Madivada, Padi Pratap Reddy, Mukkanti Kagga, Raghupathi Reddy Anumula, V. V. N. K. Prasad Raju, Rakeshwar Bandichhor
Rok vydání: 2008
Předmět:
Zdroj: Synthetic Communications. 38:4265-4271
ISSN: 1532-2432
0039-7911
DOI: 10.1080/00397910802326521
Popis: Two-step alternative synthesis of tadalafil (1) is described. The synthesis features Pictet–Spengeler type reaction and DCC (N,N′-dicyclohexylcarbodiimide)/HOBt (N-hydroxybenzotriazole)–mediated double amidation employing sarcosine ethyl ester hydrochloride.
Databáze: OpenAIRE
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