摘要:
A compound having the formula: Wherein Hal independently indicates a halogen atom; R is selected from the group consisting of a straight or branched, optionally substituted C1-C5 alkyl and halogenated benzyl; and m and n are, independently, integers in the range between 3 and 5, inclusive.
摘要:
The invention provides compounds of the formula ##STR1## or a pharmaceutically acceptable salt thereof, wherein [D] is the residue of a drug having a reactive functional group, said functional group being attached, directly or through a bridging group, via an oxygen-phosphorus bond to the phosphorus atom of the ##STR2## moiety; R.sub.1 is C.sub.1 -C.sub.8 alkyl, C.sub.6 -C.sub.10 aryl or C.sub.7 -C.sub.12 aralkyl; R.sub.2 is hydrogen, C.sub.1 -C.sub.8 alkyl, C.sub.6 -C.sub.10 aryl, C.sub.4 -C.sub.9 heteroaryl, C.sub.3 -C.sub.7 cycloalkyl, C.sub.3 -C.sub.7 cycloheteroalkyl or C.sub.7 -C.sub.12 aralkyl; and R.sub.3 is selected from the group consisting of C.sub.1 -C.sub.8 alkyl; C.sub.2 -C.sub.8 alkenyl having one or two double bonds; (C.sub.3 -C.sub.7 cycloalkyl)-C.sub.r H.sub.2r -- wherein r is zero, one, two or three, the cycloalkyl portion being unsubstituted or bearing 1 or 2 C.sub.1 -C.sub.4 alkyl substituents on the ring portion; (C.sub.6 -C.sub.10 aryloxy)C.sub.1 -C.sub.8 alkyl; 2-, 3- or 4-pyridyl; and phenyl-C.sub.r H.sub.2r -- wherein r is zero, one, two or three and phenyl is unsubstituted, or is substituted by 1 to 3 alkyl each having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms, halo, trifluoromethyl, dialkylamino having 2 to 8 carbon atoms or alkanoylamino having 2 to 6 carbon atoms. The compounds are adapted for targeted drug delivery, especially to the brain.
摘要:
Phenacyl phosphonate adducts of serine hydrolases temporarily inhibit or inactivate the serine hydrolases. The serine hydrolases are activated by intramolecularly catalyzed dephosphonylation of the adduct over a period of time. Half-lives for dephosphonylation in the range of about 30 to 500 minutes have been observed at physiological pH's.
摘要:
New ortho-alkylhydroxybenzyl substituted propanediol compounds of carboxylic acids, aldehydes, ketones, phosphites, phosphates, and phosphonates are disclosed. The propanediol compounds have in the molecule from one to four preferably from one to three ortho-alkylhydroxybenzylpropanediol units, each of which carries one to two ortho-alkylhydroxybenzyl groups, and are highly effective stabilizers for a variety of synthetic resins.Stabilizer compositions comprising a orthoalkylhydroxybenzylpropanediol compound and a known polymer stabilizer, as well as synthetic resins stabilized with such stabilizer compositions, are also disclosed.
摘要:
This disclosure relates to ester derivatives of N-trifluoroacetyl-N-phosphonomethylglycine, to herbicidal compositions containing same and to the herbicidal use thereof. The ester derivatives of N-trifluoroacetyl-N-phosphonomethylglycine are useful as herbicides.
摘要:
Compounds of the formula ##EQU1## in which R is alkoxy having 1 to 5 carbon atoms; R.sup.1 is alkyl having 1 to 5 carbon atoms or alkoxy having 1 to 5 carbon atoms; X is hydrogen, chlorine, bromine, methyl, methoxy or ethoxy and Y is hydrogen, chlorine, bromine, methyl, methoxy or ethoxy as insecticides, acaricides or herbicides.
摘要:
S,S-bis-benzyl-alkylphosphonates and S,S-bis-benzylalkylthiophosphonates, each of them optionally unsubstituted or substituted in the aromatic nucleus of the benzyl group, are effective fungicidal agents, preferably for combatting plantpathogenic fungi. They may be used in fungicidal preparations.
IN WHICH R is alkoxy having one to five carbon atoms; R1 is alkyl having one to five carbon atoms or alkoxy having one to five carbon atoms; X is hydrogen, chlorine, bromine, methyl, methoxy or ethoxy and Y is hydrogen, chlorine, bromine, methyl, methoxy or ethyoxy as insecticides, acaricides or herbicides.
摘要:
THE PRESENT INVENTION DESCRIBES NEW PHOSPHONIC ACID DITHIOL ESTERS, A METHOD FOR THEIR PREPARATION, COMPOSITIONS CONTAINING THEM AND A METHOD FOR REGULATING THE ABSCISSION OF FRUITS BY APPLYING THESE NEW ESTERS OR COMPOSITIONS CONTAINING THEM TO FRUIT TREES, OLIVE, NUT TREES, BERRY BUSHES AND GRAPES. THE NEW PHOSPHONIC ACID ESTERS CORRESPOND TO THE FORMULA
((R'',R"-PHENYL)-CH2-S)2-P(=O)-(CH2)2-CL
WHEREIN R'' IS HYDROGEN, CHLORINE, -CF3, -CN, METHYL, ETHYL, METHOXY OR ETHOXY, R" IS HYDROGEN, CHLORINE, METHYYL OR METHOXY.