2.
    发明专利
    未知

    公开(公告)号:ES2130320T3

    公开(公告)日:1999-07-01

    申请号:ES94113935

    申请日:1994-09-06

    Applicant: BASF AG

    Abstract: Hydroxyoxaalkylmelamines of the formula I wherein R is a radical of the formula II H &lparstr& O-CHR'-CHR' &rparstr& n (II), in which the radicals R' can be identical or different and represent hydrogen or C1-C4-alkyl and n has the meanings 2 or 3 and the radicals R and R represent one of the radicals R or hydrogen, are prepared by reaction of melamine with a compound of the formula III H &lparstr& O-CHR'-CHR' &rparstr& n-NH2 (III), wherein R' and n have the meanings indicated above, at a temperature from 120 to 250 DEG C in the presence of an acidic catalyst, the acidic catalyst being employed in an amount from 0.01 to 0.15 mol, relative to 1 mol of melamine.

    4.
    发明专利
    未知

    公开(公告)号:DE4331233A1

    公开(公告)日:1995-03-16

    申请号:DE4331233

    申请日:1993-09-15

    Applicant: BASF AG

    Abstract: Hydroxyoxaalkylmelamines of the formula I wherein R is a radical of the formula II H &lparstr& O-CHR'-CHR' &rparstr& n (II), in which the radicals R' can be identical or different and represent hydrogen or C1-C4-alkyl and n has the meanings 2 or 3 and the radicals R and R represent one of the radicals R or hydrogen, are prepared by reaction of melamine with a compound of the formula III H &lparstr& O-CHR'-CHR' &rparstr& n-NH2 (III), wherein R' and n have the meanings indicated above, at a temperature from 120 to 250 DEG C in the presence of an acidic catalyst, the acidic catalyst being employed in an amount from 0.01 to 0.15 mol, relative to 1 mol of melamine.

    5.
    发明专利
    未知

    公开(公告)号:DE59407996D1

    公开(公告)日:1999-04-29

    申请号:DE59407996

    申请日:1994-09-06

    Applicant: BASF AG

    Abstract: Hydroxyoxaalkylmelamines of the formula I wherein R is a radical of the formula II H &lparstr& O-CHR'-CHR' &rparstr& n (II), in which the radicals R' can be identical or different and represent hydrogen or C1-C4-alkyl and n has the meanings 2 or 3 and the radicals R and R represent one of the radicals R or hydrogen, are prepared by reaction of melamine with a compound of the formula III H &lparstr& O-CHR'-CHR' &rparstr& n-NH2 (III), wherein R' and n have the meanings indicated above, at a temperature from 120 to 250 DEG C in the presence of an acidic catalyst, the acidic catalyst being employed in an amount from 0.01 to 0.15 mol, relative to 1 mol of melamine.

    ELECTROPHOTOGRAPHIC RECORDING MATERIAL

    公开(公告)号:DE3264203D1

    公开(公告)日:1985-07-25

    申请号:DE3264203

    申请日:1982-03-12

    Applicant: BASF AG

    Abstract: An electrophotographic recording medium which consists essentially of an electrically conductive base and a photosemiconductive double layer which comprises a first layer containing charge carrier-producing dyes, and a second layer containing one or more compounds which are charge carrier-transporting when exposed to light, wherein the charge carrier-producing dyes are those of the general formula I (I) where R1, R2 and R3 are each hydrogen, halogen, alkyl, nitro or cyano, R4 is phenyl, halophenyl, alkylphenyl, nitrophenyl or dialkylaminophenyl, and X is oxygen, sulfur, NH or N-phenyl, and the production of this recording medium.

    8.
    发明专利
    未知

    公开(公告)号:AT178057T

    公开(公告)日:1999-04-15

    申请号:AT94113935

    申请日:1994-09-06

    Applicant: BASF AG

    Abstract: Hydroxyoxaalkylmelamines of the formula I wherein R is a radical of the formula II H &lparstr& O-CHR'-CHR' &rparstr& n (II), in which the radicals R' can be identical or different and represent hydrogen or C1-C4-alkyl and n has the meanings 2 or 3 and the radicals R and R represent one of the radicals R or hydrogen, are prepared by reaction of melamine with a compound of the formula III H &lparstr& O-CHR'-CHR' &rparstr& n-NH2 (III), wherein R' and n have the meanings indicated above, at a temperature from 120 to 250 DEG C in the presence of an acidic catalyst, the acidic catalyst being employed in an amount from 0.01 to 0.15 mol, relative to 1 mol of melamine.

    9.
    发明专利
    未知

    公开(公告)号:DE4112841A1

    公开(公告)日:1992-10-22

    申请号:DE4112841

    申请日:1991-04-19

    Applicant: BASF AG

    Abstract: Process for preparing indolenines of the general formula I in which R , R and R independently of one another represent hydrogen, C1- to C20-alkyl, C2- to C20-alkenyl, C3- to C8-cycloalkyl, aryl, C7- to C20-alkylphenyl, C7- to C20-phenalkyl, or R and R or R and R together represent a C3- to C8-alkylene chain which is optionally substituted by C1- to C12-alkyl, X and Y independently of one another represent hydrogen, C1- to C8-alkyl, C1- to C8-alkoxy, C2- to C8-alkoxyalkyl, C2- to C8-alkoxycarbonyl, C1- to C4-alkylsulphonyl, halogen, nitro or cyano, by reacting 4-methylene-1,3-dioxolan-2-ones of the general formula II in which the radicals R , R and R have the abovementioned meanings, with anilines of the general formula III in which the radicals X and Y have the abovementioned meanings, in the presence of Lewis acids and, if appropriate, in the presence of halides of main group I or II of the Periodic System of the Elements at temperatures from 100 to 350 DEG C under pressures from 1 to 50 bar, by carrying out the reaction in polar solvents.

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