Novel cyclic acetal compounds with aldehyde or ketone functionalities and uses thereof

1) A compound of formula I:

• R—(R1)n—R2—R3 formula I
• wherein
• R comprises:
• a phenyl group, a C3-6cycloaklyl group, C3-6cycloalkenyl, cyclodienalkyl, adamantyl, naphthalenyl, dihydronaphthalenyl, tetrahydronaphthalenyl, benzodioxolyl, benzofuran, bicyclo[2.2.2]alkyl, bicyclo[3.1.1]alkyl, bicyclo[2.2.2]alkenyl, or bicyclo[3.1.1]alkenyl;
• wherein R comprises one or more of the following substitutions alone or in combination:
• a methyl group,
• a two to six carbon alkyl or alkylenyl chain that may be linear, or branched, which is optionally substituted with alkyl groups, a hydroxyl group, or a ketone group,
• an oxygen bonded directly to R on one side and bonded to a one- to six-carbon chain that may be linear or branched,
• trimethylsilyl,
• trimethylsiloxy,
• tri-isopropylsiloxy,
• a halogen selected from the group consisting of fluorine, chlorine, bromine, and iodine,
• hydroxyl,
• an ester functionality, wherein the ester functionality is either bonded directly to R or contained within a branched or unbranched carbon chain of seven or fewer carbons,
• R1 is a linker moiety selected from the group consisting of a methylene, —O—CH2—, an ethylene, a propylene, and a butylene group that is optionally substituted with one or more substituents selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl and t-butyl, and wherein R1 may optionally contain a C═C double bond,
• n is 0 or 1, and when n is 0, R and R2 can form a polycyclic structure or a spiro structure,
• R2 comprises a dioxolane, dioxane or dioxepane group,
• R3 comprises a carbonyl moiety that is part of a C0-3ketone or a C1-3aldehyde functionality.