Patent ID: 7655671

Claim:
A compound of formula (I), in which the substituents have the following significance: R 1 : C 2 -C 6 -alkenyl; C 2 -C 6 -alkinyl; C 3 -C 16 -(cyclical saturated group)alkyl, where alkyl is C 1 -C 6 ; C 4 -C 16 -(cyclical saturated group)alkenyl, where alkenyl is C 2 -C 6 ; C 4 -C 16 -(cyclical saturated group)alkinyl, where alkinyl is C 2 -C 6 ; C 7 -C 16 -arylalkyl, where aryl is C 6 -C 10 -aryl and alkyl is C 1 -C 6 -alkyl; C 8 -C 16 -arylalkenyl, where aryl is C 6 -C 10 -aryl and alkenyl is C 2 -C 6 -alkenyl; C 8 -C 16 -arylalkinyl, where aryl is C 6 -C 10 -aryl and alkinyl is C 2 -C 6 -alkinyl; R 2 is C 2 -C 6 -alkenyl; R 3 : hydrogen; C 1 -C 6 -alkyl; C 2 -C 6 -alkenyl; C 7 -C 16 -arylalkyl, where aryl is C 6 -C 10 -aryl and alkyl is C 1 -C 6 -alkyl; C 8 -C 16 -arylalkenyl, where aryl is C 6 -C 10 -aryl and alkenyl is C 2 -C 6 -alkenyl; alkoxyalkyl, where alkoxy is C 1 -C 6 -alkoxy and alkyl is C 1 -C 6 -alkyl; CO 2 (C 1 -C 6 -alkyl); CO 2 H; CH 2 OH; R 4 : C 1 -C 6 -alkyloxy; C 2 -C 10 -alkyloxyalkoxy, where alkyloxy is C 1 -C 4 alkyloxy and alkoxy is C 1 -C 6 -alkyloxy; C 2 -C 6 -alkenyloxy; C 2 -C 6 -alkinyloxy; C 3 -C 16 -(cyclical saturated group)alkyloxy, where alkyl is C 1 -C 6 alkyl; C 4 -C 16 -(cyclical saturated group)alkenyloxy, where alkenyl is C 2 -C 6 alkenyl; C 4 -C 16 -(cyclical saturated group)alkinyloxy where alkinyl is C 2 -C 6 alkinyl; C 8 -C 16 -arylalkenyloxy, where aryl is C 6 -C 10 -aryl and alkenyl is C 2 -C 6 -alkenyl; C 8 -C 16 -arylalkinyloxy, where aryl is C 6 -C 10 -aryl and alkinyl is C 2 -C 6 -alkinyl; C 1 -C 6 -alkanoyloxy; C 3 -C 6 -alkenoytoxy; C 3 -C 6 -alkinoyloxy; C 7 -C 16 -arylalkanoyloxy, where aryl is C 6 -C 10 -aryl and alkanoyloxy is C 2 -C 6 -alkanoyloxy; C 9 -C 16 -arylalkenoyloxy, where aryl is C 6 -C 10 -aryl and alkenoyloxy is C 3 -C 6 -alkenoyloxy; C 9 -C 16 -arylalkinoykxy, where aryl is C 6 -C 10 -aryl and alkinoyloxy is C 3 -C 6 -alkinoyloxy; X is oxygen; wherein a single or double bond can be present between the carbon atoms of numbers 7 and 8, wherein alkyl, alkenyl and alkinyl can each be branched or unbranched, aryl can be unsubstituted or mono-, di- or trisubstituted, independently in each case, with hydroxy, halogen, nitro, cyano, thiocyanato, trifluoromethyl, C 1 -C 3 -alkyl, C 1 -C 3 -alkoxy, CO 2 H, CONH 2 , CO 2 (C 1 -C 3 -alkyl), CONH(C 1 -C 3 -alkyl), CON(C 1 -C 3 -alkyl) 2 , CO(C 1 -C 3 -alkyl); amino; (C 1 -C 3 -monoalkyl)amino, (C 1 -C 3 -dialkyl)amino; C 5 -C 6 -cycloalkylamino, (C 1 -C 3 -alkanoyl)amido, SH, SO 3 H, SO 3 (C 1 -C 3 -alkyl), SO 2 (C 1 -C 3 -alkyl), SO(C 1 -C 3 -alky), C 1 -C 3 -alkylthio or C 1 -C 3 -alkanoylthio, and wherein -(cyclical saturated group) is either C 3 -C 10 -cycloalkyl or a heterocyclic group with 2 to 9 carbon atoms, containing further one or more hetero atoms.