Patent ID: 6838474

Claim:
A compound of the formula: wherein: R 7 is selected from wherein each M is independently selected from H, Li, Na, K, Mg, Ca, Ba, N(R 2 ) 4 , (C 1 -C 12 )-alkyl, (C 2 -C 12 )-alkenyl, or —R 6 ; wherein 1 to 4 —CH 2 radicals of the alkyl or alkenyl group, other than the —CH 2 that is bound to Z, is optionally replaced by a heteroatom group selected from O, S, S(O), S(O) 2 , or N(R 2 ); and wherein any hydrogen in said alkyl, alkenyl or R 6 is optionally replaced with a substituent selected from oxo, —OR 2 , —R 2 , N(R 2 ) 2 , N(R 2 ) 3 , R 2 OH, —CN, —C(O)OR 2 , —C(O)—N(R 2 ) 2 , S(O) 2 —N(R 2 ) 2 , N(R 2 )—C(O)—R 2 , C(O)R 2 , —S(O) n —R 2 , OCF 3 , —S(O) n —R 6 , N(R 2 )—S(O) 2 —R 2 , halo, —CF 3 , or —NO 2 ; M′ is H, (C 1 -C 12 )-alkyl, (C 2 -C 12 )-alkenyl, or —R 6 ; wherein 1 to 4 —CR 2 radicals of the alkyl or alkenyl group is optionally replaced by a heteroatom group selected from O, S, S(O), S(O) 2 , or N(R 2 ); and wherein any hydrogen in said alkyl, alkenyl or R 6 is optionally replaced with a substituent selected from oxo, —OR 2 , —R 2 , —N(R 2 ) 2 , N(R 2 ) 3 , —R 2 OH, —CN, —CO 2 R 2 , —C(O)—N(R 2 ) 2 , —S(O) 2 —N(R 2 ) 2 , —N(R 2 )—C(O)—R 2 , —C(O)R 2 , —S(O) n —R 2 , —OCF 3 , —S(O) n —R 6 , —N(R 2 )—S(O) 2 —R 2 , halo, —CF 3 , or —NO 2 ; Z is —CH 2 —, O, S, —N(R 2 )—, or, when M is not present, H, CH 3 , or —N(R 2 ) 2 ; Y is P or S; X is O or S; R 9 is C(R 2 ) 2 , O or N(R 2 ); and wherein when Y is S, Z is not S; and R 6 is a 5-6 membered saturated, partially saturated or unsaturated carbocyclic or heterocyclic ring system, or an 8-10 membered saturated, partially saturated or unsaturated bicyclic ring system; wherein any of said heterocyclic ring systems contains one or more heteroatoms selected from O, N, S, S(O) n or N(R 2 ); and wherein any of said ring systems optionally contains 1 to 4 substituents independently selected from OH, C 1 -C 4 alkyl, O—(C 1 -C 4 )-alkyl or O—C(O)—(C 1 -C 4 )-alkyl.