摘要:
A compound of formula (I) ##STR1## its isomers and its salts in which R.sub.1, R.sub.3 and R.sub.4 are each independently hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, halogen, C.sub.1 -C.sub.8 -acyloxy or hydroxyl;R' is hydrogen or C.sub.1 -C.sub.6 -alkyl;R" is either a polyene chain or a benzene ringare useful in cosmetics and in the treatment of various dermatological and other complaints.
摘要:
A compound of formula (I) ##STR1## its isomers and its salts in which --R.sub.1, R.sub.3 and R.sub.4 are each independently hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, halogen, C.sub.1 -C.sub.8 -acyloxy or hydroxyl;--R' is hydrogen or C.sub.1 -C.sub.6 -alkyl;--R" is either a polyene chain or a benzene ring are useful in cosmetics and in the treatment of various dermatological and other complaints.
摘要:
Novel compounds of the formula ##STR1## and processes for their preparation are described. X represents bromine or iodine and R.sub.1, R.sub.2 and R.sub.3 have the meaning indicated in the patent claim. The compounds (I) are valuable intermediates for the preparation of fluorescent brighteners of the divinylstilbene type.
摘要:
Compounds of formula I wherein R.sup.1 and R.sup.2 are haloalkyl or halo, X is O, S, S(O), SO.sub.2 or NR.sub.4 where R.sub.4 is H or alkyl, R.sup.3 is alkyl and n is 1 to 4, and compositions comprising them, useful as insecticides. ##STR1##
摘要:
Naphthenic and heterocyclic retinoic acid analogues such as (E)-6-[2-(2,6,6-trimethyl-1-cyclohexen-1-yl)ethenyl]-2-naphthaldehyde, methyl 6-[2-(2,6,6-trimethyl-1-cyclohexen-1-yl)ethenyl]-2-naphthoate, 6-[2-(2,6,6-trimethyl-1-cyclohexen-1-yl)ethenyl]-2-naphthoic acid, (E)-1-(5-carbethoxy-2-furanyl)-2-methyl-4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1,3-butadiene, (E)-1-(5-carboxy-2-furanyl)-2-methyl-4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1,3-butadiene, (E)-1-(5-carbethoxythien-2-yl)-2-methyl-4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1,3-butadiene, and (E)-1-(5-carboxythien-2-yl)-2-methyl-4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-1,3-butadiene. These retinoids are useful as chemopreventive agents for inhibiting tumor promotion in epithelial cells and for treating nonmalignant skin disorders.
摘要:
This invention relates to novel cyclopropane derivatives useful as insecticides, to processes for their preparation, to compositions comprising them and to methods of combatting insect and similar invertebrate pests using them.
摘要:
Compounds of formula I wherein R.sup.1 and R.sup.2 are haloalkyl or halo, X is O, S, S(O), SO.sub.2 or NR.sub.4 where R.sub.4 is H or alkyl, R.sup.3 is alkyl and n is 1 to 4, and compositions comprising them, useful as insecticides. ##STR1##
IN WHICH THE MOST IMPORTANT SUBSTITUENTS R AND R1 ARE CARBOXYL GROUPS OR CAROBYLIC ESTER OR AMIDE GROUPS. THE COMPOUNDS ARE USEFUL AS OPTICAL BRIGHTENERS, PARTICULARLY FOR PAPER.
摘要:
VINYL AROMATIC AMINIMIDES ARE PREPARED FROM VINYL AROMATIC ACIDS OR DERIVATIVES THEREOF. THE VINYL AROMATIC AMINIMIDE CAN BE HOMOPOLYMERIZED AND COPOLYMERIZED TO RESULT IN FUNCTIONAL GROUP-CONTAINING POLYMERIC PRODUCTS CAPABLE OF THERMOSETTING. THE VINYL AROMATIC AMINIMIDES HAVE THE GENERAL FORMULA
WHEREIN R IS A HYDROGEN, METHYL, OR HALOGEN; N IS ZERO OR ONE AND R1,R2,AND R3 ARE HYDROCARBON RADICALS AND R1 AND R2 CAN BE COMBINED TO FORM A HETEROCYCLIC RING WITH THE NITROGEN.