Patent ID: 7238679

Claim:
A compound of the formula (I)): wherein: R B is a substituted or unsubstituted aryl or heteroaryl moiety; at least one of R U and R L is a phosphorus-containing moiety, J, which is covalently linked to the quinazoline ring through a carbon-phosphorous bond, and the other of R U and R L is independently chosen from H; halogen; —CN; —NO 2 ; -J; —SO 2 R; —SO 2 NRR′; or -ZR J , wherein each occurrence of Z is independently —O—, —S— or —NR— and each occurrence of R J is independently —R, —COR, —COOR or —CONRR′; each occurrence of R, R′, without further alphanumeric designation, is independently hydrogen, or an aliphatic, heteroaliphatic, aryl or heteroaryl moiety; K is O or S; each occurrence of Y is independently —O—, —S—, —NR—, or a chemical bond; each occurrence of R 5 is independently an aliphatic, heteroaliphatic, aryl or heteroaryl moiety, or (except when attached directly to P) R 5 may be H; each occurrence of R 6 is independently R 5 , -PK(YR 5 )(YR 5 ), —SO 2 (YR 5 ) or —C(O)(YR 5 ) wherein two of the R 5 and/or R 6 moieties may be chemically linked to one another to form a ring; each occurrence of G is independently —O—, —S—, —NR— or M X ; each occurrence of M X is independently a 1–6 carbon aliphatic moiety; and in each of the foregoing groups each aliphatic or heteroaliphatic moiety contains 1–10 aliphatic carbon atoms and may be branched or unbranched, cyclic or acyclic, substituted or unsubstituted, and may contain one or more electronically unsaturated bonds; and each aryl and heteroaryl moiety may be substituted or unsubstituted.