Improved Syntheses of N‐Desmethylcitalopram and N,N‐Didesmethylcitalopram

Autor: George A. Brine, Chunyang Jin, Kenneth S. Rehder, Karl G. Boldt
Rok vydání: 2007
Předmět:
Zdroj: Synthetic Communications. 37:901-908
ISSN: 1532-2432
0039-7911
DOI: 10.1080/00397910601163745
Popis: An improved and efficient synthesis of N‐desmethylcitalopram (2) and N,N‐didesmethylcitalopram (3) is presented. The method involved N‐demethylation of citalopram (1) using 1‐chloroethyl chloroformate to give 2 in 87% yield. Synthesis of 3 was accomplished by alkylation of 8 with 1‐(3‐bromopropyl)‐2,2,5,5‐tetramethyl‐1‐aza‐2,5‐disilacyclopentane (9).
Databáze: OpenAIRE
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