The present invention relates to compounds of formula (1) ArCH.sub.2 R.sup.1 (1) or a monomethyl ether thereof (the compound of formula (1) including these ethers may contain no more than 30 carbon atoms in total); ethers, esters thereof; acid addition salts thereof; wherein Ar is a phenanthrene or substituted phenanthrene ring system; R.sup.1 contains not more than eight carbon atoms and is a group ##STR1## wherein m is 0 or 1; R.sup.5 is hydrogen; R.sup.6 and R.sup.7 are the same or different and each is hydrogen or C.sub.1-3 alkyl optionally substituted by hydroxy; R.sup.8 and R.sup.9 are the same or different and each is hydrogen or C.sub.1-3 alkyl; ##STR2## is a five- or six-membered saturated carbocyclic ring; R.sup.10 is hydrogen, methyl or hydroxymethyl; R.sup.11, R.sup.12 and R.sup.13 are the same or different and each is hydrogen or methyl; R.sup.14 is hydrogen, methyl, hydroxy, or hydroxymethyl.
本发明涉及化合物的公式(1)ArCH.sub.2 R.sup.1(1)或其单
甲醚(化合物的公式(1)包括这些醚,总共不超过30个碳原子);醚,酯;其酸盐;其中Ar是一个
菲或取代的
菲环系统;R.sup.1包含不超过八个碳原子,是一个群##STR1##其中m为0或1;R.sup.5是氢;R.sup.6和R.sup.7相同或不同,每个是氢或C.sub.1-3烷基,可选择地被羟基取代;R.sup.8和R.sup.9相同或不同,每个是氢或C.sub.1-3烷基;##STR2##是一个五元或六元饱和碳环;R.sup.10是氢,甲基或羟甲基;R.sup.11,R.sup.12和R.sup.13相同或不同,每个是氢或甲基;R.sup.14是氢,甲基,羟基或羟甲基。