Abstract:
Provided herein are methods comprising catalytic dimerization of β-farnesene to obtain squalane and/or isosqualane. Compositions comprising squalane and/or isosqualane are provided. In certain embodiments, squalane and isosqualane prepared by the methods provided herein can be useful for applications in cosmetic industry and/or in the lubricants industry.
Abstract:
Provided herein are methods comprising catalytic dimerization of β-farnesene to obtain squalane and/or isosqualane. Compositions comprising squalane and/or isosqualane are provided. In certain embodiments, squalane and isosqualane prepared by the methods provided herein can be useful for applications in cosmetic industry and/or in the lubricants industry.
Abstract:
Compounds and compositions containing alkylphosphonothioates, for insecticidal control, particularly for use as soil and/or foliar insecticides, having the formula. ##STR1## in which R is C.sub.1 -C.sub.3 alkyl;R.sub.1 is C.sub.4 -C.sub.6 branched alkyl;R.sub.2 is hydrogen, methyl, ethyl, cyano or C.sub.2 -C.sub.4 alkynyl; ##STR2## R.sub.4 is halo, C.sub.1 -C.sub.2 haloalkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 thioalkyl or mono-or di-C.sub.1 -C.sub.2 alkylamino;n is 1-3; andX is O or S.
Abstract:
Compounds having the formula ##STR1## in which R.sub.1 is C.sub.1 -C.sub.3 alkyl; R.sub.2 is C.sub.3 -C.sub.6 alkyl; R.sub.3 is hydrogen, halo, trifluoromethyl, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, phenoxy, cyano, nitro or C.sub.2 -C.sub.5 carboalkoxy; n is an integer from 1 to 5; --A-- is ##STR2## R.sub.4 is hydrogen, C.sub.1 -C.sub.4 alkyl, or --CH.sub.2 Y; m is 0 or 1; and Y is halo, are insecticides.
Abstract:
A compound having the structural formula ##STR1## wherein R is C.sub.1 -C.sub.4 alkyl; R.sup.1 is C.sub.1 -C.sub.4 alkyl; R.sup.2 is hydrogen or methyl; R.sup.3 is methyl or ethyl; and R.sup.4 is C.sub.1 -C.sub.4 alkyl.
Abstract:
Herbicidal 4-cycloalkyl-5-substituted pyrimidine compounds of the formula ##STR1## are described. Herbicidal compositions containing such substituted-pyrimidinyl compounds and methods of controlling undesirable vegetation employing these compounds are also disclosed. The compounds in which XR, is hydroxyl are also useful as intermediates for producing the disclosed substituted-pyrimidinyl derivatives.
Abstract:
Herbicidal compounds have the formula ##STR1## in which: R.sub.1 is hydrogen, halogen; C.sub.1 -C.sub.4 alkyl; C.sub.1 -C.sub.4 haloalkyl; C.sub.1 -C.sub.4 alkoxy; C.sub.1 -C.sub.4 haloalkoxy; C.sub.2 -C.sub.8 alkoxyalkyl; nitro; cyano; thiocyano; or R.sub.7 S(O).sub.m - where m is 0, 1 or 2 and R.sub.7 is C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 haloalkyl;R.sub.2 and R.sub.3 are independently hydrogen; halogen; C.sub.1 -C.sub.4 alkyl; C.sub.1 -C.sub.4 alkoxy; C.sub.1 -C.sub.4 haloalkyl; C.sub.1 -C.sub.4 haloalkoxy; C.sub.2 -C.sub.8 alkoxyalkyl; nitro; R.sub.8 S(O).sub.2 O- or R.sub.8 S(O).sub.n - where n is 0, 1 or 2 and R.sub.8 is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 cyanoalkyl, phenyl or benzyl; NR.sub.9 R.sub.10 where R.sub.9 and R.sub.10 are independently hydrogen or C.sub.1 -C.sub.4 alkyl; R.sub.11 CO- where R.sub.11 is C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, SO.sub.2 NR.sub.12 R.sub.13 where R.sub.12 and R.sub.13 are independently hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 haloalkyl, or N(R.sub.14)COR.sub.15 where R.sub.14 and R.sub.15 are independently hydrogen or C.sub.1 -C.sub.4 alkyl;R.sub.4 is hydrogen, halogen or hydroxy;R.sub.5 is hydrogen, methyl or trifluoromethyl; andR.sub.6 is hydrogen, halogen or hydroxy;provided that R.sub.4 and R.sub.6 are not both hydrogen;and agriculturally acceptable salts thereof.
Abstract translation:除草化合物具有式“IMAGE”,其中:R1是氢,卤素; C 1 -C 4烷基; C 1 -C 4卤代烷基; C1-C4烷氧基; C1-C4卤代烷氧基; C2-C8烷氧基烷基; 硝基 氰基; 硫氰酸 或R 7 S(O)m - ,其中m为0,1或2,且R 7为C 1 -C 4烷基或C 1 -C 4卤代烷基; R2和R3独立地是氢; 卤素; C 1 -C 4烷基; C1-C4烷氧基; C 1 -C 4卤代烷基; C1-C4卤代烷氧基; C2-C8烷氧基烷基; 硝基 其中n为0,1或2,R8为C1-C4烷基,C1-C4卤代烷基,C1-C4氰基烷基,苯基或苄基; R8S(O)2O-或R8S(O) NR 9 R 10,其中R 9和R 10独立地是氢或C 1 -C 4烷基; R11CO-,其中R11是C1-C4烷基或C1-C4烷氧基,SO2NR12R13,其中R12和R13独立地是氢,C1-C4烷基或C1-C4卤代烷基,或N(R14)COR15,其中R14和R15独立地是氢或C1- C4烷基; R4是氢,卤素或羟基; R5是氢,甲基或三氟甲基; R6为氢,卤素或羟基; 条件是R4和R6不同时为氢; 及其农业上可接受的盐。
Abstract:
Novel insecticides have the formula ##STR1## in which R.sub.1 is hydrogen, halogen, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 haloalkoxy or C.sub.1 -C.sub.4 haloalkylthio;R.sub.2 is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 haloalkoxy or C.sub.1 -C.sub.4 haloalkylthio;R.sub.3 is hydrogen, halogen or C.sub.1 -C.sub.4 haloalkyl; orR.sub.1 and R.sub.2 taken together are C.sub.1 -C.sub.4 alkylenedioxy or halo-C.sub.1 -C.sub.3 alkylenedioxy; provided that R.sub.1, R.sub.2 and R.sub.3 are not all hydrogen;R.sub.4 is methyl, ethyl, n-propyl, C.sub.3 -C.sub.7 branched alkyl, C.sub.1 -C.sub.6 haloalkyl, C.sub.2 -C.sub.4 alkenyl; or cyclopropyl, optionally substituted by up to 4 methyl groups or up to 2 halogens;R.sub.5 is: ##STR2## R.sub.6 is phenyl, benzyl, C.sub.3 -C.sub.4 alkenyl, or C.sub.3 alkynyl; R.sub.7, R.sub.8, R.sub.10 and R.sub.11 are each halogen; andR.sub.9 is methyl, methoxymethyl, methylthio, methylthiomethyl, hydroxymethyl, cyanomethyl, benzyl, C.sub.3 -C.sub.4 alkenyl, C.sub.3 alkynyl or propargylamino.
Abstract:
Magnetic nanoparticles exhibiting enhanced heating ability in thermotherapeutic applications are described, as are several strategies to conjugate such nanoparticles. Methods for using conjugated nanoparticles are also provided.
Abstract:
Herbicidal 3-substituted pyridine compounds and derivatives thereof of the formula: ##STR1## wherein Ar is a substituted or unsubstituted 5- or 6-membered heteroaryl group having 1, 2 or 3 ring nitrogen atoms with the remainder of the ring atoms being carbon; a substituted or unsubstituted 5-membered heteroaryl group having a ring heteroatom of oxygen or sulfur with the remainder of the ring atoms being carbon; or a substituted or unsubstituted 5-membered heteroaryl group having one ring nitrogen atom and either an oxygen or sulfur ring heteroatom with the remainder of the ring atoms being carbon. Herbicidal compositions containing such 3-substituted pyridine compounds and derivatives thereof and methods of controlling undesirable vegetation employing these compounds and derivatives are also disclosed. The compounds in which XR is hydroxyl are also useful as intermediates for producing the disclosed 3-substituted pyridine derivatives.