摘要:
The invention pertains to bromo functionalized benzotriazole UV absorber of the general formula 1 wherein R1 is hydrogen, tert-butyl; X1 is selected the group consisting of hydrogen, halogen, tert-butyl and C1 to C12 alkoxy.
摘要:
The invention pertains to a process for the preparation of a novel UV absorbing diol of the general formula: wherein R1 is hydrogen, tert-butyl; X1 is selected the group consisting of hydrogen, halogen, tert-butyl and C1 to C12 alkoxy; R2 is C1 to C8 linear or branched alkyl.
摘要:
The invention also pertains to a process for their preparation of bromo functionalised benzotriazole UV absorber of the general formula 1 wherein R1 is hydrogen, tert-butyl; X1 is selected the group consisting of hydrogen, halogen, tert-butyl and C1 to C12 alkoxy by reacting a benzotriazole having formula 2 wherein R1 is hydrogen, tert-butyl; X1 is selected the group consisting of hydrogen, halogen, tert-butyl and C1 to C12 alkoxy with bromine in the presence of a free radical initiator in a non-polar solvent to produce a bromo functionialized benzotriazole.
摘要:
The invention pertains to novel UV absorbing diol of the general formula: wherein R1 is hydrogen, tert-butyl; X1 is selected the group consisting of hydrogen, halogen, tert-butyl and C1 to C12 alkoxy; R2 is C1 to C8 linear or branched alkyl, and to a process for the preparation thereof.
摘要:
The present invention relates to a photo-stabilizer of the general formula (I): wherein R1 is hydrogen, halogen, C1 to C12 alkyl, alkoxy (linear and branched), R2 is hydrogen, C1-C8 alkyl, cyclopentyl, cyclohexyl or cumyl, R3 is hydrogen, C1-C4 alkyl, R4 is methyl or ethyl, R5 is C1-C8 alkyl, alkyl phenyl, alkoxy, acyl, cycloalkyl and allyl, X is O, NH, C1-C8 alkyloxy and alkylamino (linear or branched), to derivatives and intermediates thereof.
摘要:
The present invention relates to a photo-stabilizer of the general formula (I): wherein R1 is hydrogen, halogen, C1 to C12 alkyl, alkoxy (linear and branched), R2 is hydrogen, C1-C8 alkyl, cyclopentyl, cyclohexyl or cumyl, R3 is hydrogen, C1-C4 alkyl, R4 is methyl or ethyl, R5 is C1-C8 alkyl, alkyl phenyl, alkoxy, acyl, cycloalkyl and allyl, X is O, NH, C1-C8 alkyloxy and alkylamino (linear or branched), to derivatives and intermediates thereof
摘要:
The present invention relates to a photo-stabilizer of the general formula (I): wherein R1 is hydrogen, halogen, C1 to C12 alkyl, alkoxy (linear and branched), R2 is hydrogen, C1-C8 alkyl, cyclopentyl, cyclohexyl or cumyl, R3 is hydrogen, C1-C4 alkyl, R4 is methyl or ethyl, R5 is C1-C8 alkyl, alkyl phenyl, alkoxy, acyl, cycloalkyl and allyl, X is O, NH, C1-C8 alkyloxy and alkylamino (linear or branched), to derivatives and intermediates thereof.
摘要:
A process for the preparation of a novel antiozonant and antioxidant, based on functionalized benzotriazole UV absorbers, and the process for the preparation thereof having a general Formula I: wherein R1 and R2 are C1 to C8 linear or branched alkyl; R3 is hydrogen, tert-butyl; X1 is select the group consisting of hydrogen, halogen, tert-butyl and C1 to C12 alkoxy.
摘要翻译:一种基于官能化苯并三唑UV吸收剂制备新型抗臭氧剂和抗氧化剂的方法及其制备方法,其具有通式I:其中R 1和R 2, C 1至C 8直链或支链烷基; R 3是氢,叔丁基; X 1是选自氢,卤素,叔丁基和C 1至C 12烷氧基的基团。
摘要:
Diol-functionalized antioxidants and the process for the preparation thereof are disclosed and have the general formula (I): wherein: R1 is tert-butyl and R2 is C1 to C8 linear or branched alkyl. The invention also pertains to a process for their preparation. Which comprises: Reacting a halo functionalized antioxidant having the general formula (II): wherein: R1 is tert-butyl and X is bromide (Br) with a diol having general formula (IV): wherein R2 is C1 to C8 linear or branched alkyl.
摘要翻译:公开了二醇官能化的抗氧化剂及其制备方法,并具有通式(I):其中:R 1是叔丁基,R 2是C C 1至C 8直链或支链烷基。 本发明还涉及其制备方法。 其包括:反应具有通式(II)的卤代官能化抗氧化剂:其中:R 1是叔丁基,X是溴化物(Br)与具有通式(IV)的二醇:其中R C 2是C 1 -C 12直链或支链烷基。
摘要:
Vinylic hindered amine light stabilizers as novel polylmerizable light stabilizers are disclosed and have the general formula (I): wherein: R1 is C1 to C8: alkyl, alkoxy, alkyl phenyl, hydroxy alkyl (all linear and branched), allyl, acyl, cycloalkyl (cyclopentyl, cyclohexyl or curnyl: linear and branched); R2 is hydrogen and methyl, R3 is vinyl, C1-C4 vinyl alkyl [H2C═C(R4)C1-C4], R4 is H, C1-C4 alky and alkyl phenyl and R5 is H, C1-C4 alkyl, X is O, NH, C1-C8 alkyloxy and alkylamino: (linear or branched).