摘要:
The invention relates to 4-benzoylisoxazole derivatives of formula (I): ##STR1## wherein R represents hydrogen or --CO.sub.2 R.sup.4 ; R.sup.1 represents alkyl, haloalkyl or optionally substituted cycloalkyl;R.sup.2 represents halogen, alkyl, haloalkyl, alkyl substituted by one or more groups --OR.sup.5 ; ora group selected from nitro, cyano, --CO.sub.2 R.sup.5, --S(O).sub.p R.sup.6, --O(CH.sub.2).sub.m OR.sup.5, --COR.sup.5, --OR.sup.5 and --N(R.sup.8)SO.sub.2 R.sup.7 ;R.sup.3 represents --SO.sub.2 R.sup.7 ;X represents the oxygen atom;n represents zero or an integer from one to four;R.sup.4 represents alkyl or haloalkyl;R.sup.5 and R.sup.6, independently represent alkyl, haloalkyl or optionally substituted phenyl;R.sup.7 represents alkyl, haloalkyl, optionally substituted phenyl or --NR.sup.5 R.sup.6 ;R.sup.8 represents hydrogen, optionally halogenated alkyl, alkenyl or alkynyl; cycloalkyl, optionally substituted phenyl, --SO.sub.2 R.sup.6 or --OR.sup.5 ;p represents zero, one or two; andm represents an integer from one to three;and their use as herbicides is described.
摘要翻译:本发明涉及式(I)的4-苯甲酰异恶唑衍生物:其中R表示氢或-CO 2 R 4; R1代表烷基,卤代烷基或任选取代的环烷基; R 2表示卤素,烷基,卤代烷基,被一个或多个基团-OR 5取代的烷基; 或选自硝基,氰基,-CO 2 R 5,-S(O)p R 6,-O(CH 2)mOR 5,-COR 5,-OR 5和-N(R 8)SO 2 R 7的基团; R3代表-SO2R7; X表示氧原子; n表示0或1到4的整数; R4代表烷基或卤代烷基; R5和R6独立地表示烷基,卤代烷基或任选取代的苯基; R 7表示烷基,卤代烷基,任选取代的苯基或-NR 5 R 6; R8表示氢,任选卤代烷基,烯基或炔基; 环烷基,任选取代的苯基,-SO 2 R 6或-OR 5; p表示零,一或二; m表示1〜3的整数, 并描述其作为除草剂的用途。
摘要:
Pyrimidine compound (I) useful as a pharmaceutical intermediate, a process for preparing the pyrimidine compound (I), to intermediates used in the process, and use of the pyrimidine compound (I) in the preparation of pharmaceuticals. The process comprises hydrogenating a compound of formula (IV): wherein Ar is a phenyl optionally substituted by halogen, C1-4 alkyl or C1-4 alkoxy; to give a compound of formula (II): and reacting the compound of formula (II) with a salt of a compound of formula (III): to provide the compound of formula (I).
摘要:
The present invention is directed to a process for the preparation of benzyl [(3aS,4R,6S,6aR)-6-hydroxy-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl]carbamate (VI), to products of said process and the use thereof.
摘要:
The present invention relates to a pyrimidine compound (I) useful as a pharmaceutical intermediate, to a process for preparing said pyrimidine compound, to intermediates used in said process, and to the use of said pyrimidine compound in the preparation of pharmaceuticals.
摘要:
The present invention relates to a pyrimidine compound (I) useful as a pharmaceutical intermediate, to a process for preparing said pyrimidine compound, to intermediates used in said process, and to the use of said pyrimidine compound in the preparation of pharmaceuticals.
摘要:
A process for preparing a protected amidine group of formula (I): wherein R6 represents, for example, C1-10 alkyl (optionally substituted), aryl, C1-3 alkylaryl or C1-3 alkyloxyaryl; which comprises reacting a nitrile containing compound with an oxyamine of formula (II): R6ONH2 wherein R6 is as defined above for (I); in the presence of a thio-keto activating agent of formula (III): HS—Ry, —C(O)-Z wherein Z is -(1-4C)alkyl, —OH, —O-(1-4C)alkyl, —SH, —S(1-4C)alkyl, —NH2, —NH(1-4C)alkyl or —N[(1-4C)alkyl]2; Ry is (1-2C)alkyl (optionally substituted); or Z and Ry are linked so as to form a 5- or 6-membered ring of formula (IV): wherein X is —CH2—, —O—, —NH— or —N(1-4C)alkyl; p is 1 or 2; m is 1 or 2 and Rz is independently selected from H, (1-4C)alkyl, halo and amino.
摘要:
The present invention relates to a pyrimidine compound (I) useful as a pharmaceutical intermediate, to a process for preparing said pyrimidine compound, to intermediates used in said process, and to the use of said pyrimidine compound in the preparation of pharmaceuticals.
摘要:
Herbicides derived from 2-cyano-1,3-diones have the formula: ##STR1## wherein R, R.sup.1, R.sup.2 R.sup.3, R.sup.4 and R.sup.5 are as defined in the description. The compounds are intended for use pre- and post-emergence as selective herbicides in maize and a large number of other monocotyledon crops.
摘要:
The present invention relates to a pyrimidine compound (I) useful as a pharmaceutical intermediate, to a process for preparing said pyrimidine compound, to intermediates used in said process, and to the use of said pyrimidine compound in the preparation of pharmaceuticals.
摘要:
The present invention relates to a pyrimidine compound (I) useful as a pharmaceutical intermediate, to a process for preparing said pyrimidine compound, to intermediates used in said process, and to the use of said pyrimidine compound in the preparation of pharmaceuticals.