Abstract: There are disclosed compounds of the formula ##STR1## R is --CH.sub.2 OH or --CO.sub.2 R.sup.3 ; R.sup.1 is hydrogen, lower alkyl, lower alkoxy or hydroxybenzyl;R.sup.2 is hydroxyloweralkyl or diloweralkoxyalkyl;R.sup.3 is hydrogen or lower alkyl;R.sup.4 is alkyl of 10-20 carbons atoms, phenylalkyl of 11-18 carbon atoms or phenoxyalkyl of 11-18 carbon atoms; orn is 1-3;or a pharmaceutically acceptable salt thereof, and their use in the prevention and/or treatment of conditions such as allergic rhinitis, allergic bronchial asthma and other naso-bronchial obstructive air-passageway conditions, other immediate hypersensitivity reactions such as allergic conjunctivitis and various inflammatory conditions.

Abstract: There is disclosed a method for the treatment of immunoinflammatory conditions, such as allergy, anaphylaxis, asthma and inflammation in mammals which comprises administering to a mammal so afflicted an effective amount of a compound having the formula: ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, hydroxy, lower alkyl, lower alkoxy, haloloweralkyl, haloloweralkyl sulfony., halo or nitro;R.sup.3 is hydrogen, lower alkyl, or aryl of 7-12 carbon atoms;X is ##STR2## A is --CH.sub.2 --,--O-- or --S--; m is 0-8;n is 0-7, with the proviso that m+n.ltoreq.