Abstract:
The present invention is related to novel intermediates and processes which are useful in the preparation of certain antihistaminic piperidine derivatives of formula (I) wherein W represents -C(=O)- or -CH(OH)-; R1 represents hydrogen or hydroxy; R2 represents hydrogen; R1 and R2 taken together form a second bond between the carbon atoms bearing R1 and R2; n is an integer of from 1 to 5; m is an integer 0 or 1; R3 is -COOH or -COOalkyl wherein the alkyl moiety has from 1 to 6 carbon atoms and is straight or branched; each of A is hydrogen or hydroxy; and pharmaceutically acceptable salts and individual optical isomers thereof, with the proviso that where R1 and R2 are taken together to form a second bond between the carbon atoms bearing R1 and R2 or where R1 represented hydroxy, m is an integer 0.
Abstract:
A process for producing a compound represented by general formula[I] according to scheme (A), wherein R represents alkyl; R represents alkyl, optionally substituted phenyl, optionally substituted aralkyl or optionally substituted heterocycle; R and R represent each alkyl; X and X represent each halogen; L represents a leaving group; and M represents a metal atom.
Abstract translation:根据方案(A)制备由通式[I]表示的化合物的方法,其中R 1表示烷基; R 2表示烷基,任选取代的苯基,任选取代的芳烷基或任选取代的杂环; R 3和R 4各自表示烷基; X 1和X 2代表每个卤素; L表示离去基团; M表示金属原子。
Abstract:
Substituted cyclohexanedione derivatives of general formula (I), and their salts, enamine and analogous derivatives, acylates, sulfonates, carbamates, and ether derivatives, each having herbicidal and plant growth regulating actions, wherein R represents lower alkyl or optionally substituted phenyl, aralkyl or heterocyclic group; Y represents straight-chain or branched lower alkylene; m is 0 or 1; R represents hydrogen or straight-chain or branched lower alkyl; R groups may be the same or different from one another and each represents halogen, cyano, alkyl, haloalkyl, cyanoalkyl, alkoxycarbonyl, or optionally substituted phenyl; n is 0, 1, 2, 3, 4 or 5; Z represents W or OR ; Z represents SR or OR , or alternatively Z and Z are combined together to represent oxygen, CR R or N-r, wherein R represents hydrogen or alkyl, R represents hydrogen, alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, or optionally substituted phenyl, and r represents hydrogen, alkyl, alkoxy, haloalkoxy, alkenyloxy, or haloalkenyloxy; W represents halogen, SR or OR ; R represents optionally substituted phenyl or heterocyclic group; R and R each represents alkyl or optionally substituted phenyl or heterocyclic group; and R represents alkyl or two R groups are combined together to represent alkylene.
Abstract translation:通式(I)的取代的环己二酮衍生物及其盐,烯胺和类似衍生物,酰化物,磺酸盐,氨基甲酸盐和醚衍生物,各自具有除草和植物生长调节作用,其中R 1表示低级烷基或任选取代的苯基 ,芳烷基或杂环基; Y表示直链或支链低级亚烷基; m为0或1; R 2表示氢或直链或支链的低级烷基; R 3基团可以彼此相同或不同,并且各自表示卤素,氰基,烷基,卤代烷基,氰基烷基,烷氧基羰基或任选取代的苯基; n为0,1,2,3,4或5; Z 1表示W或OR 9; Z 2表示SR 6或OR 9,或者Z 1和Z 2组合在一起代表氧,CR 4 R 5或Nr,其中R 4表示 氢或烷基,R 5表示氢,烷基,烯基,烷氧基烷基,烷硫基烷基或任选取代的苯基,r表示氢,烷基,烷氧基,卤代烷氧基,烯氧基或卤代烯氧基。 W表示卤素,SR 7或OR 8; R 6表示任选取代的苯基或杂环基; R 7和R 8各自表示烷基或任选取代的苯基或杂环基; R 9代表烷基或两个R 9基团组合在一起代表亚烷基。
Abstract:
This invention relates to substituted bicycloheptandione derivatives with high herbicidal activity which are represented by general formula (I), where R1 is a lower alkyl group, a phenyl group which may be substituted, an aralkyl group which may be substituted, or a heterocyclic group which may be substituted; R2 is, same or different, a halogen, an alkoxy group, an alkylthio group, an alkylsulfonyl group, an alkyl group, an alkoxyalkyl group, or an alkoxylcarbonyl group, and n is 0 to 4; R?3 and R4¿ are same or different, hydrogen or a lower alkyl group.
Abstract:
Compounds of formula (I): R1-(Ao)k-(Z1-A1)m-Zo-(E)n-(Q)o-(Z2-A2)p-R2 can be produced easily and in large quantities by transition metal catalysis from organotitanium compounds of formula (II): R1-(Ao)-(Z1-A1)m-Zo-Ti(Y)3 and compounds of formula (III): X-(E)n-(Q)o-(Z2-A2)p-R2, where Ao, A1, A2, E, R1, R2, Zo, Z1, Z2, Q, X, Y, k, m, n, o and p in formulae (I), (II) and (III) have the meaning given in the description.
Abstract:
Compounds having formula (I): R1-(Ao)k-(Z1-A1)m-Zo-(E)n-(Q)o-(Z2-A2)p-R2, can be easily produced in high yields from organic zinc compounds having formula (II): R1-(Ao)k-(Z1-A1)m-Zo-ZnY and compounds having formula (III): X-(E)n-(Q)o-(Z2-A2)p-R2, in which Ao, A1, A2, E, R1, R2, Zo, Z1, Z2, Q, k, m, n, o and p have the given meaning.