A compound of the formula: wherein A, is a single bond or a C₁-C₅ alkylene group bonding at the 2- or 3-position, A₂ is a C₁-C₄ alkylene group, A₃ is a single bond or a C₁-C₃ alkylene group, X-Y is -O-CH₂- -O-CO- or -SO_n-CH₂- and B is a carboxy group, a C₂-C₅ alkoxycarbonyl group, a cyano group, a hydroxy group, a C₂-C₅ acyloxy group, a halogen group, a carbamoyl group of the formula: or an amino group of the formula:

The compounds of the invention are useful as antiviral agents against, for example, influenza virus and herpes simplex virus.

The present invention is directed to a cyclopropanated macrocyclic lactone compound of the formula and the use of this compound in creating fragrances, and scents in items such as perfumes, colognes and personal care products.

The present invention is directed to novel cyclopropanated macrocyclic ketone and lactone compounds of the general formula wherein X is an atom or a functional group selected from the group consisting of O, N, S, CH, or CH₂;

wherein Y is a straight or branched hydrocarbon moiety consisting of 1 to 20 carbon atoms;

wherein W is a straight or branched hydrocarbon moiety of consisting of 1 to 20 carbon atoms; and

wherein O is an oxygen atom;

and the use of these novel compounds in creating fragrances, and scents in items such as perfumes, colognes and personal care products.