摘要:
The present invention discloses new and useful compounds including methyl p-hydroxyphenyllactate, its analogues, chemical derivatives and chemically related compounds and their use as antitumor agents, as inhibitors of proliferative cell growth and as prophylactic agents to inhibit and prevent cancer and non-malignant cell growth.
摘要:
A method for synthesizing 2-(4-hydroxyphenoxy)alkanoic acid esters by reacting a hydroxyaromatic ketone derivative with a 2-substituted alkanoic acid ester under basic conditions and thereafter oxidizing the intermediate with subsequent hydrolysis.
摘要:
The invention concerns new polyfunctional ethylenic monomers of the general formula (I): ##STR1## where R=cyano, substituted or unsubstituted acyl, substituted or unsubstituted alkoxycarbonyl or substituted or unsubstituted aryloxycarbonyl; R.sub.1 and R.sub.2 each represent --CHR.sub.3 R.sub.4 where R.sub.3 and R.sub.4 may be identical or different and represent H or an alkyl, alkenyl or aralkyl group. R.sub.1 and R.sub.2 may, alternatively, together form a radical --CH.sub.2 --(CR.sub.5 R.sub.6).sub.n --CHR.sub.7 where n=0 or 1 and R.sub.5, R.sub.6 and R.sub.7 may be identical or different and represent H or CH.sub.3.Particular monomers are: 2-cyano-4,4-dimethoxy-3-hydroxy-1-butene; 2-cyano-4,4-dibutoxy-3-hydroxy-1-butene; 4,4-dibutoxy-2-ethoxycarbonyl-3-hydroxy-1-butene; 2-butoxycarbonyl-4,4-dibutoxy-3-hydroxy-1-butene; 4,4-dimethoxy-2-hydroxythoxycarbonyl-1-butene; 4,4-dimethoxy-2-dimethylaminoethoxycarbonyl -3-hydroxy-1-butene; and 4,4-dimethoxy-2-ethoxycarbonyl-3-hydroxy-1-butene.
摘要翻译:本发明涉及通式(I)的新的多官能乙烯单体:其中R =氰基,取代或未取代的酰基,取代或未取代的烷氧基羰基或取代或未取代的芳氧基羰基; R 1和R 2各自表示-CHR 3 R 4,其中R 3和R 4可以相同或不同,表示H或烷基,烯基或芳烷基。 R 1和R 2可以一起形成基团-CH 2 - (CR 5 R 6)n -CHR 7,其中n = 0或1,并且R 5,R 6和R 7可以相同或不同,表示H或CH 3。 特别的单体是:2-氰基-4,4-二甲氧基-3-羟基-1-丁烯; 2-氰基-4,4-二丁氧基-3-羟基-1-丁烯; 4,4-二丁氧基-2-乙氧基羰基-3-羟基-1-丁烯; 2-丁氧基羰基-4,4-二丁氧基-3-羟基-1-丁烯; 4,4-二甲氧基-2-羟基乙氧基羰基-1-丁烯; 4,4-二甲氧基-2-二甲基氨基乙氧基羰基-3-羟基-1-丁烯; 和4,4-二甲氧基-2-乙氧基羰基-3-羟基-1-丁烯。
摘要:
Acrylates of the general formula ##STR1## where R.sup.1 and R.sup.2 independently of one another are each C.sub.1 -C.sub.8 -alkyl, X is hydrogen, C.sub.1 -C.sub.4 -alkyl, halogen, C.sub.1 -C.sub.4 -alkoxy, haloalkyl, cyano or nitro, W is unsubstituted or alkyl-substituted, saturated or unsaturated C.sub.1 -C.sub.10 -alkylene, Y is hydrogen, alkyl, haloalkyl, alkoxyalkyl, cycloalkyl, aralkyl, aryl, aryloxy, halogen, an unsubstituted or substituted C.sub.4 H.sub.4 chain which is fused to the benzene radical, alkoxy, haloalkoxy, alkylthio, thiocyanato, cyano, NO.sub.2, ##STR2## where R' and R" independently of one another are each hydrogen, alkyl, alkoxy, alkylthio or cycloalkyl, or are phenyl which is unsubstituted or substituted by alkyl, halogen or alkoxy, m is 0 or 1, n is from 1 to 4 and Z is oxygen, sulfur, SO or SO.sub.2, and fungicides containing them.
摘要:
A phenoxyalkene derivative having the formula ##STR1## wherein R represents a hydrogen atom, ##STR2## and Y and Z are the same or different and respectively represent a hydrogen atom, trifluoromethyl group, a halogen atom, a lower alkyl group, nitro group or cyano group; R.sub.1 represents a hydrogen atom or a lower alkyl group and R.sub.2 represents carboxyl, hydroxymethyl, allyloxycarbonyl, a lower alkoxycarbonyl, a lower haloalkoxycarbonyl, a S-lower alkylthiocarbonyl, carbamoyl, a N-lower alkylcarbamoyl or a N-phenylcarbamoyl group is produced by reacting a phenol compound having the formula ##STR3## with a dihalogen compound having the formula ##STR4## wherein R, R.sub.1 and R.sub.2 are defined above and X.sub.1 represents a halogen atom and X.sub.2 and X.sub.3 are different and respectively represent a hydrogen atom or a halogen atom, by a simultaneous reaction of an etherification and an unsaturated double bond formation, in the presence of a dehydrogenhalide agent and a polar solvent or a combination of a nonpolar solvent and a quaternary ammonium salt or a quaternary phosphonium salt.
摘要:
A herbicidal composition which comprises a herbicidally effective amount of a phenoxyphenoxy derivative having the formula ##STR1## wherein X represents a halogen atom or CF.sub.3 ; Y represents a hydrogen atom or a halogen atom; and Z represents --COSR.sup.1 and R.sup.1 represents lower alkyl, phenyl, chlorophenyl, chlorobenzyl or methoxybenzyl; in combination with a suitable carrier is disclosed.
摘要:
NOVEL 3 - LOWERALKOXY - 4 -ARYLOXY-CIS-CROTONIC ACID LOWERALKYL ESTERS, PREPARED BY REACTING AN ARYLOXIDE SALT WITH A 4-HALO-3-LOWERALKOXY-CIS-CROTONIC ACID LOWERALKYL ESTER. THEY ARE USEFUL AS PLANT GROWTH INHIBITORS.