C07C273/1854

Trifluoromethoylation of arenes via intramolecular trifluoromethoxy group migration

The present invention provides a process of producing a trifluoromethoxylated aryl or trifluoromethoxylated 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##

On-Demand Rapid Synthesis of Lomustine Under Continuous Flow Conditions

Disclosed herein is a continuous manufacturing process for lomustine that has a short residence time and 63 percent yield. Major advantages of this process are that the total production cost for lomustine is lower, the product is higher quality, and the manufacturing operation is safer for production personnel.

On-Demand Rapid Synthesis of Lomustine Under Continuous Flow Conditions

Disclosed herein is a continuous manufacturing process for lomustine that has a short residence time and 63 percent yield. Major advantages of this process are that the total production cost for lomustine is lower, the product is higher quality, and the manufacturing operation is safer for production personnel.

Benzamide derivative

The present invention relates to a benzamide derivative of general formula I, a drug composition containing same and a use thereof as a drug, wherein the definitions of R.sub.1, Z and Q are as described in the description. ##STR00001##

Safe and efficient process for the preparation of carmustine

Carmustine may be safely and efficiently produced by reacting 2-chloroethylamine hydrochloride and 1,1-carbonyldiimidazole to afford 1,3-bis(2-chloroethyl)-1-urea, followed by nitrosation to give the final product.

Safe and efficient process for the preparation of carmustine

Carmustine may be safely and efficiently produced by reacting 2-chloroethylamine hydrochloride and 1,1-carbonyldiimidazole to afford 1,3-bis(2-chloroethyl)-1-urea, followed by nitrosation to give the final product.

CROSSLINKING COMPONENT FOR BINDER RESINS

This invention relates to a crosslinking component for binder resins which is especially suitable to be used together with epoxy-group containing binders and/or (poly)isocyanates such as blocked (poly)isocyanates and which comprises at least two blocked isocyanate groups per molecule of the crosslinking component whereby at least one of the at least two blocked isocyanate groups is a group according to structural unit (I), wherein the ratio of structural units of formula (II), if present, to structural units of formula (I) is 0.40 or below. The cross-linking component may also be self-cross-linkable. The present invention further relates to a coating composition, e.g. a one-component coating composition comprising the crosslinking component and a method of its manufacture.

Process to prepare higher ethylene amines and ethylene amine derivatives

The present invention relates to a process to prepare ethyleneamines of the formula NH.sub.2(C.sub.2H.sub.4NH).sub.pH wherein p is at least 3 or derivatives thereof wherein one or more units NHC.sub.2H.sub.4NH may be present as a cyclic ethylene urea unit or between two units NHC.sub.2H.sub.4NH a carbonyl moiety is present, by reacting an ethanolamine-functional compound, an amine-functional compound in the presence of a carbon oxide delivering agent, wherein the molar ratio of ethanolamine-functional compound to amine-functional compound is at least 0.7:1 and the molar ratio of carbon oxide delivering agent to amine-functional compound is at least 0.05:1.

Process to prepare higher ethylene amines and ethylene amine derivatives

The present invention relates to a process to prepare ethyleneamines of the formula NH.sub.2(C.sub.2H.sub.4NH).sub.pH wherein p is at least 3 or derivatives thereof wherein one or more units NHC.sub.2H.sub.4NH may be present as a cyclic ethylene urea unit or between two units NHC.sub.2H.sub.4NH a carbonyl moiety is present, by reacting an ethanolamine-functional compound, an amine-functional compound in the presence of a carbon oxide delivering agent, wherein the molar ratio of ethanolamine-functional compound to amine-functional compound is at least 0.7:1 and the molar ratio of carbon oxide delivering agent to amine-functional compound is at least 0.05:1.

Fluorine atom-containing compound and use thereof

Provided is a fluorine atom-containing compound represented by formula (1) below ##STR00001##
(In the formula, Z represents a predetermined divalent group, each Ar independently represents a predetermined aromatic ring-containing group, and each Ar.sup.F independently represents a predetermined fluorine atom-containing aryl group).