Abstract: A method of treating or preventing viral infections, in particular rhinovirus infections comprising the administration of an effective amount of a 2-phenyltetralin derivative or a heterocyclic analogue thereof. Pharmaceutical compositions containing these compounds, and some novel compounds are also disclosed.

Abstract: Compounds of the formula: ##STR1## wherein R is (Hal).sub.m wherein Hal represents a halogen atom and m is 1 or 2, or R is-(B.sup.1).sub.n1 W.sup.1 wherein B.sup.1, n.sup.1 and W.sup.1 are as defined below;W and (when present) W.sup.1, which may be the same or different, each represents a carboxyl, esterified carboxyl, amide, N-C.sub.1-4 alkyl-amide, N,N-di-(C.sub.1-4 alkyl)-amide, nitrile, aldehyde, amino, hydroxymethyl, or tetrazolyl group;n and (when present) n.sup.1 which may be the same or different, are each 0 or 1; andA, B and (when present) B.sup.1, which may be the same or different, each represents a straight chain or branched C.sub.1-3 alkylene or C.sub.2-3 alkenylene group.These compounds have been found to possess potent and selective inhibitory activity against thromboxane synthetase which renders the compounds useful in the treatment or prophylaxis of thrombo-embolic disorders.

Abstract: A method of treating or preventing viral infections, in particular rhinovirus infections comprising the administration of an effective amount of a flavan derivative of formula (I). ##STR1## Pharmaceutical compositions containing these compounds, and some novel compounds are also disclosed.