C07C255/58

Trifluoromethoxylation of arenes via intramolecular trifluoromethoxy group migration

The present invention provides a process of producing a trifluoromcthoxylated aryl or trifluoromothoxylated heteroaryl having the structure: ##STR00001##
wherein
A is an aryl or heteroaryl, each with or without substitution; and
R.sub.1 is —H, -(alkyl), -(alkenyl), -(alkynyl), -(aryl), -(heteroaryl), -(alkylaryl), -(alkylheteroaryl), —NH-(alkyl), —N(alkyl).sub.2, —NH-(alkenyl), —NH-(alkynyl) —NH-(aryl), —NH-(heteroaryl), —O-(alkyl), —O-(alkenyl), —O-(alkynyl), —O-(aryl), —O-(heteroaryl), —S-(alkyl), —S-(alkenyl), —S-(alkynyl), —S-(aryl), or —S-(heteroaryl), comprising:
(a) reacting a compound having the structure: ##STR00002##
with a trifluoromethylating agent in the presence of a base in a first suitable solvent under conditions to produce a compound having the structure: ##STR00003##
and
(b) maintaining the compound produced in step (a) in a second suitable solvent under conditions sufficient to produce the trifluoromethoxylated aryl or trifluormethoxylated heteroaryl having the structure: ##STR00004##

Amyloid targeting agents and methods of using the same

Provided herein is the design and synthesis of novel molecular rotor fluorophores useful for detection of amyloid or amyloid like proteins. The fluorophores are designed to exhibit enhanced fluorescence emission upon associating with amyloid or amyloid like proteins as compared to unbound compound. Also disclosed herein are methods for treating diseases associated with amyloid or amyloid like proteins.

Amyloid targeting agents and methods of using the same

Provided herein is the design and synthesis of novel molecular rotor fluorophores useful for detection of amyloid or amyloid like proteins. The fluorophores are designed to exhibit enhanced fluorescence emission upon associating with amyloid or amyloid like proteins as compared to unbound compound. Also disclosed herein are methods for treating diseases associated with amyloid or amyloid like proteins.

Process for the synthesis anthranilic diamide compounds and intermediates thereof

The present invention disclosed a process for the synthesis of anthranilic diamide compound of formula (I), ##STR00001## wherein, R.sup.1, R.sup.2, R.sup.3a, R.sup.3b, R.sup.3c, R.sup.4, R.sup.5, R.sup.6 and Z are as defined in the detailed description. The process comprising the step of obtaining a mono- or dicyano substituted aniline compound of formula (IV) which is then converted to an anthranilic acid compound of formula (V) or an anthranilic amide compound of formula (Va). Further, the compound of formula (VI) can be optionally synthesized from compound of formula (IV or V or Va) ##STR00002##

Process for the synthesis anthranilic diamide compounds and intermediates thereof

The present invention disclosed a process for the synthesis of anthranilic diamide compound of formula (I), ##STR00001## wherein, R.sup.1, R.sup.2, R.sup.3a, R.sup.3b, R.sup.3c, R.sup.4, R.sup.5, R.sup.6 and Z are as defined in the detailed description. The process comprising the step of obtaining a mono- or dicyano substituted aniline compound of formula (IV) which is then converted to an anthranilic acid compound of formula (V) or an anthranilic amide compound of formula (Va). Further, the compound of formula (VI) can be optionally synthesized from compound of formula (IV or V or Va) ##STR00002##

Nitrogen-containing compound, electronic component using same and electronic device

The present disclosure belongs to the field of organic electroluminescent materials, and specifically relates to a nitrogen-containing compound, an electronic component using the nitrogen-containing compound and an electronic device using the nitrogen-containing compound. The nitrogen-containing compound has a structure as shown in Formula 1. When the nitrogen-containing compound of the present disclosure is used in an organic electroluminescent device, properties of the device can be effectively improved. ##STR00001##

CB1R RECEPTOR BLOCKERS WITH ACYCLIC BACKBONES
20220119365 · 2022-04-21 ·

The invention generally concerns a novel class of CB 1 receptor binding molecules and uses thereof.

COMPOUNDS, PHARMACEUTICAL COMPOSITIONS AND USE THEREOF AS INHIBITORS OF RAN GTPase

Compounds of general formula IA, IB and IC outlined below, including pharmaceutically acceptable salts, solvates and hydrates thereof. Such compounds and pharmaceutical compositions comprising them may be used in medical conditions involving Ran GTPase.

##STR00001##

COMPOUNDS, PHARMACEUTICAL COMPOSITIONS AND USE THEREOF AS INHIBITORS OF RAN GTPase

Compounds of general formula IA, IB and IC outlined below, including pharmaceutically acceptable salts, solvates and hydrates thereof. Such compounds and pharmaceutical compositions comprising them may be used in medical conditions involving Ran GTPase.

##STR00001##

TERTIARY AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING SAME

Provided is a tertiary amine derivative. The tertiary amine derivative effectively absorbs light in the UV region from high-energy external light sources to minimize damage to organic materials in organic electroluminescent devices, contributing to a substantial improvement in the lifetime of the organic electroluminescent devices. An organic electroluminescent device includes a first electrode, a second electrode, an organic layer arranged between the first and second electrodes, and a capping layer wherein the capping layer includes the tertiary amine derivative of Formula 1:

##STR00001##