Process For The Preparation Of Substituted TRIS(2-Hydroxyphenyl)Methane

摘要

Described is a novel process for the preparation of substituted tris(2-hydroxyphenyl)methane derivatives and the use of tris(2-hydroxyphenyl)methane derivatives for tertiary mineral oil production.

主权项

1. A process for the preparation of a compound of general formula (I) wherein R1, R2, R3 and R4, mutually independently, in each case denote H; F; Cl; Br; I; —OH; —NO2; —CN; —C(═O)—R6; —C(═O)—O—R7; —O—C(═O)—R8; —NH—C(═O)—R9; —C(═O)—NH2; —C(═O)—NH—R10; —C(═O)—NR11R12; —O—R13; —S—R14; —S(═O)—R15; —S(═O)2—R16; (unsubstituted or at least monosubstituted alkyl; unsubstituted or at least monosubstituted heteroalkyl; unsubstituted or at least monosubstituted cycloalkyl; unsubstituted or at least monosubstituted cycloalkenyl; unsubstituted or at least monosubstituted heterocycloalkyl; unsubstituted or at least monosubstituted heterocycloalkenyl or unsubstituted or mono- or polysubstituted aryl; and R6, R7, R8, R9, R10, R11, R12, R13, R14, R15 and R16, mutually independently, in each case denote unsubstituted or at least monosubstituted alkyl; unsubstituted or at least monosubstituted alkenyl or unsubstituted or at least monosubstituted heteroalkyl; the process comprising at least the step of reacting at least one compound of general formula (II) wherein R1, R2, R3 and R4, mutually independently, in each case denote H; F; Cl; Br; I; —OH; —NO2; —CN; —C(═O)—R6; —C(═O)—O—R7; —O—C(═O)—R8; —NH—C(═O)—R9; —C(═O)—NH2; —C(═O)—NH—R10; —C(═O)—NR11R12; —O—R13; —S—R14; —S(═O)—R15; —S(═O)2—R16; (unsubstituted or at least monosubstituted alkyl; unsubstituted or at least monosubstituted heteroalkyl; unsubstituted or at least monosubstituted cycloalkyl; unsubstituted or at least monosubstituted cycloalkenyl; unsubstituted or at least monosubstituted heterocycloalkyl; unsubstituted or at least monosubstituted heterocycloalkenyl; or unsubstituted or mono- or polysubstituted aryl; and R6, R7, R8, R9, R10, R11, R12, R13, R14, R15 and R16, mutually independently, in each case denote unsubstituted or at least monosubstituted alkyl; unsubstituted or at least monosubstituted alkenyl or unsubstituted or at least monosubstituted heteroalkyl; with at least one compound of general formula (III) wherein R5, mutually independently, in each case denotes unsubstituted or at least monosubstituted alkyl;
in the presence of at least one Lewis acid.