In the formula, R represents an alkane residues, cycloalkane residues, heterocycle residues or aromatic ring residues in which hetero atom is oxygen, nitrogen or sulfur atom. Each residue may have a substituent. COPYRIGHT: (C)2005,JPO&NCIPI王 明奎...
ALPHA, OMEGA-DIARYLALKANE DERIVATIVES, PROCESS OF THEIR PREPARATION AND PHARMACEUTICAL PREPARATIONS IN WHICH THEY ARE COMPRISEDCompounds of formula (I): ... F Koichi,T Naoki,A Fumitoshi,... 被引量: 0发表: 1994年 Antiinflammatory 5-substituted-2,3-diaryl-thiophenes, processes for their preparati...
Which of the following compounds can be classified as an enol?Classify the below pair of compounds as isomers or resonance structures.Identify the structures of isomers A and B (molecular formula C8H9Br).Which of the following represents meso compounds?Wh...
What is the molecular formula for a hydrocarbon with 31 carbons that is (a) completely saturated; (b) an alkene; (c) an alkyne?What is the molecular formula for a hydrocarbon with 16 carbons that is (a) completely saturated; (b) an alkene; (c) an alkyne? (a) ...
E represents an ether linkage; K represents a ketone linkage; D represents a direct linkage; m represents a meta substituted aromatic ring; N represents a naphthalene ring; and S represents a sulphone linkage except where it is used as a prefix to the polymer trivial name where it represents...
1/n Mn ♁ represents the ion equivalent of an alkali metal ion, an alkaline-earth metal ion, a copper ion or an iron ion, or a quaternary alkylammonium group or hydroxyalkylammonium group. 2. Pyridyloxy-phenoxy-alkanecarboxylic acid derivatives according to formula I, claim 1, wherein B...
the free base form and salts of the pyrimidine derivatives of the formula N=C--NHa x-c C-x' N-A -NH-srk-NBR' wherein X and X' designate members of the group consisting of hydrogen, lower alkyl and phenyl; alk is a lower alkylene radical, while NRR' represents a basic radical sel...
Formula II in which R1 and R2 independently of one another represent H-(CH2)a-(O-(CH2)b)c-O, where a=0 to 4, b=1 to 4 and c=1 to 7, an alkoxy or arylalkoxy group with 1 to 20 carbon atoms, an alkane- or aralkanesulfonyloxy group with 1 to 7 carbon atoms or a tetrahyd...
Disclosed is the use as a lubricant for refrigeration systems, in which a fluoroalkane refrigerant is employed, of a fluorine-containing aromatic compound represented by the following formula: R'(ORf')n' wherein R' represents an n'-valent unsubstituted or substituted aromatic group having from ...
Benzocycloalkane derivatives of the formula (I) ##STR1## wherein: Z represents a methylene group or an ethylene group, either one of R.sup.1 and R.sup.2 represents --(CH.sub.2).sub.m --COOR.sup.3 and the other represents ##STR2## wherein R.sup.3 represents a hydrogen atom ...