The present invention relates to the compounds of the formulae (1) and (2) and to organic electroluminescent devices, in particular blue-emitting devices, in which these compounds are used as host material or dopant in the emitting layer and/or as hole-transport material and/or as electron-transport material.

##STR00001##

The present invention is directed to compounds of Formula I: ##STR00001## and pharmaceutically acceptable salts, prodrugs, solvates, hydrates, tautomers, or isomers or thereof, wherein R.sub.1, R.sub.2, R.sub.2, L, X, W, Y.sup.1, Y.sup.2, Y.sup.3, and Y.sup.4 are described herein.

The present invention is directed to compounds of Formula I: ##STR00001## and pharmaceutically acceptable salts, prodrugs, solvates, hydrates, tautomers, or isomers or thereof, wherein R.sub.1, R.sub.2, R.sub.2, L, X, W, Y.sup.1, Y.sup.2, Y.sup.3, and Y.sup.4 are described herein.

A compound of formula (1a), (1b) or (1c) wherein: n is 1 or 2; R.sup.N is H or Me; R.sup.1 is optionally one or more halo or methyl groups; R.sup.2a and R.sup.2b are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH.sub.2OH; R.sup.2c and R.sup.2d (if present) are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH.sub.2OH; R.sup.3a and R.sup.3b are independently selected from H and Me; R.sup.4a is selected from OH, NH.sub.2, C(O)NH.sub.2, and CH.sub.2OH; R.sup.4b is either H or Me; R.sup.5 is either H or Me; A is either (i) optionally substituted phenyl; (ii) optionally substituted naphthyl; or (iii) optionally substituted C.sub.5-12 heteroaryl. ##STR00001##

A compound of formula (1a), (1b) or (1c) wherein: n is 1 or 2; R.sup.N is H or Me; R.sup.1 is optionally one or more halo or methyl groups; R.sup.2a and R.sup.2b are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH.sub.2OH; R.sup.2c and R.sup.2d (if present) are independently selected from the group consisting of: (i) F; (ii) H; (iii) Me; and (iv) CH.sub.2OH; R.sup.3a and R.sup.3b are independently selected from H and Me; R.sup.4a is selected from OH, NH.sub.2, C(O)NH.sub.2, and CH.sub.2OH; R.sup.4b is either H or Me; R.sup.5 is either H or Me; A is either (i) optionally substituted phenyl; (ii) optionally substituted naphthyl; or (iii) optionally substituted C.sub.5-12 heteroaryl. ##STR00001##

The present invention relates spiro-cyclic amine derivatives of the formula (1) wherein R1; R2; R3; Q; W-T-; R5; Z; and A have the definitions provided in the claims; or a pharmaceutically acceptable salt, a solvate or hydrate thereof or one or more N-oxides thereof. The compounds of the invention have affinity to S1P receptors and may be used in the treatment, alleviation or prevention of diseases and conditions in which (a) S1P receptor (s) is (are) involved. ##STR00001##

The present invention relates spiro-cyclic amine derivatives of the formula (1) wherein R1; R2; R3; Q; W-T-; R5; Z; and A have the definitions provided in the claims; or a pharmaceutically acceptable salt, a solvate or hydrate thereof or one or more N-oxides thereof. The compounds of the invention have affinity to S1P receptors and may be used in the treatment, alleviation or prevention of diseases and conditions in which (a) S1P receptor (s) is (are) involved. ##STR00001##

The present invention includes fused tetraphenylene compounds that may be used as charge transporters, hosts or emitters in OLEDs.

Disclosed are a compound as an inhibitor of complement factor D, and a pharmaceutical composition thereof and the use thereof. Specifically disclosed are a compound as represented by formula (I), a tautomer thereof, a stereoisomer thereof and a prodrug thereof, or a pharmaceutically acceptable salt of any one of the above-mentioned compounds, or a solvate of any one of the above-mentioned compounds. The compound has a good inhibitory activity on complement factor D, and has an excellent pharmacokinetic and pharmacodynamic activity. Formula (I)

##STR00001##

Disclosed are a compound as an inhibitor of complement factor D, and a pharmaceutical composition thereof and the use thereof. Specifically disclosed are a compound as represented by formula (I), a tautomer thereof, a stereoisomer thereof and a prodrug thereof, or a pharmaceutically acceptable salt of any one of the above-mentioned compounds, or a solvate of any one of the above-mentioned compounds. The compound has a good inhibitory activity on complement factor D, and has an excellent pharmacokinetic and pharmacodynamic activity. Formula (I)

##STR00001##