The diamines, wherein X has the meaning of an O-at... JCRHI De,H Gerrit,ME Pieter - US 被引量: 17发表: 1991年 allophanate groups and high-functional polyisocyanates containing silane groups Producing allophanate group containing polyisocyanate, comprises: reacting (a) at least one silane...
They may be obtained by a method in which (meth)acrylamide is reacted with a dialkoxy-2,2 ethanal of the formula (II): ##STR2## wherein R 1 has the meaning indicated above to provide a product of formula (I), in which R 2 =H, and, if desired, by carrying out an etherificat...
What is the meaning of the term tertiary (3^o ) when it is used to classify amines? Draw a structural formula for the one tertiary (3^o ) amine known as Hunig's base (N,N-disopropylethylamine). Identify the functional group below. a. am...
wherein R2has the meaning given herein before with a carboxylic acid of the general formula III wherein R3has the meaning given herein before to give the amide derivative of formula IV (b) the methylsulfonyl group is converted to the corresponding amine to give the compounds of the general ...
[0011] As used herein and the appended claims, the term “catalyst” is intended to have a relatively broad meaning referring to a compound that facilitates the reaction between one or more other compounds, the catalyst remaining in or returning to its original state. [0012] As used herein...
8-N- benzimidazole amide substitution, as well as the present invention relates to a physiologically functional derivative and salt their physiologically tolerable. The present invention, [has the meaning as described in the group of the formula Compound of the formula I, and salts on their ...
In a modified process, a benzene sulpho-halide substituted in the para position with a group containing nitrogen and which is convertible by reduction or hydrolysis to an amino group, is reacted with a salt of an acid amide of the general formula R1-CO.NH2, where R1 has the meaning ...
In this connection, unless otherwise specifically described, when a symbol in a chemical formula in the present specification is used in other chemical formulae, the symbol represents the same meaning. Furthermore, the present invention relates to a pharmaceutical composition for preventing or treating...
All terms used herein are intended to have their ordinary meaning unless otherwise provided. As used herein, the term “consisting essentially of” is intended to limit the invention to the specified materials or steps and those that do not materially affect the basic and novel characteristics of...
(CH2)2-S-CH3, benzyl, or 4-hydroxybenzyl by submitting a N-protected derivative of the above said compound of formula (I) to a C-alkylation procedure with an alkylating agent of formula EWGR5 wherein EWG has the same meaning as above and R5 represents one of the group listed herein...