Synthesis of 5-p-hydroxybenzyl-5,6-dihydro-2-naphthol, (±)-sequirin D
作者:M. Parameswara Reddy、G. S. Krishna Rao
DOI:10.1039/p19810002662
日期:——
(2) to acrylonitrile gives a ketonitrile (3), which on Wolff–Kishner reduction is reduced and hyrolysed in situ to 4,5-bis-p-methoxyphenylpentanoic acid (4). Cyclodehydration of (4) with polyphosphoricacid, followed by borohydride reduction and dehydration furnishes di-O-methylsequirin D (1b) which affords on demethylation sequirin D (1a) in an overall yield from (2) of 60%. The key synthon (4) has also
Naphthalene derivatives: A new series of selective cyclooxygenase-2 inhibitors
作者:Joan Feixas、Juan-Miguel Jiménez、Núria Godessart、Carles Puig、Lı́dia Soca、Marı́a I Crespo
DOI:10.1016/s0960-894x(01)00534-0
日期:2001.10
A new series of potent and selective cyclooxygenase-2 inhibitors have been prepared. Some of these compounds show good oral anti-inflammatory activity in rats.