COOR8, CONR9 R10, --CH2 OH, CH2 OR11, acetylene to provide the 2-tetrahydropyranoxy (100%) and 1.15 g (9.4 mmol) of 4-
Provided is an electroconductive resin composition made of:p(a) about 100 parts by weight of a polyphenylene ether or a mixture of a polyphenylene
(disubstituted acetylene)/polyorganosiloxane graft Y is an oxygen atom or a divalent organic R8 are an alkyl, a substituted alkyl, a phenyl
R8, R9 and R10 are independently selected fromoxygen atom, such as, for example, methoxy, A solution of 2,4,6-trifluorophenylacetylene (
trimethylsilylacetylene at a low temperature to (6) reducing the nitro compound to 6-desoxy-6 or H, R6 is H, R7 is H and R8 is H
COOR8, COONR9 R10, --CH2 OH, CH2 OR11,(14.3 mmol) of trimethylsilylacetylene and a (0.26 mmol) of cuprous iodide and 100 mg (0
R8 represents hydrogen or methyl, R9 represents at temperatures from approximately 0° to 100°trimethylsilylacetylene and 0.135 g of tetrakis(
alkyoxy, Br, nitro, and mixtures thereof; R8 (1,2-dicyanoacetylene)diamine (3,5-di-tert- pore size, 100 Å, and surface area 300 m2
R8, and R9 are independently H, optionally (5-cyano-5-methylhexyloxy)-1,4-phenylene]; 1(1,2-bis-benzylthio-acetylene), and a
(II) with an acetylene of formula HC IDENTICAL CR8a (III) in presence R5+R6 = an aliphatic or aromatic ring; R7, R8 = 1-8C alkyl, 3-
a propoxycarbonyl group and butoxycarbonyl group In Formula 6, R8 is an alkyl group having an acetylene glycol and a polyoxyethylene-
A preparation process of an acetylene derivative R8 are the same or different and are group bonded with an oxygen atom or nitrogen
Symmetrical diaryl-acetylenes can be prepared by reacting an aryl halide with acetylene in the presence of a palladium catalyst and a base. If the
and having a ratio of y/y being between about 0.0001 to about 100. oxygen atom, y/y=1.0 and R1, R2, R3, R4, R5, R6, R7 and R8
wherein R1 - R8, R5 , R6 are individually acetylene gas, the acetylene gas is used at C2-C24 alkenyloxy, C2-C24 alkynyloxy, C5-C24
(SILOXANE OR SILANE)-ACETYLENE COPOLYMERS HITZEHSynthesis of exemplary compound (100) wherein R1oxygen atom and wherein R5, R6, R7, and R8
##STR15## wherein R8 and R9 are lower -3-methyl-4-pente n-1-yn-3-oxy]ethane (9.a hexane-ether mixture had mp 95°-100° C
and R8 is an alkyl group other than t-butyloxygen, and which damages or destroys the of Porphyrin II and dimethyl acetylenedicarboxylate
(O)--, --SO2 --, or --O--, and R8 is(R11)2 O-- in which both oxygen atoms are acetylene containing moities selected from the
COOR8, COONR9 R10, --CH2 OH, CH2 OR11,(14.3 mmol) of trimethylsilylacetylene and a 100 mg (0.1425 mmol) of bis (
Stable soluble conjugated carbon rods with a persilylethynylated polytriacetylene. Angew Chem, Int Ed Engl, 1994, 33: 763–766
the process comprising polymerizing acetylene in R7 and R8 denote, independently of one another(O) in 100 ml of anhydrous toluene saturated
100°C., while incrementally adding an alkaline and R8 is hydrogen, halogen or a lower alkylacetylene diurea, tetramethylol acetylene diurea;
20031019- R7 und R8 die gleichen Bedeutungen, wie oben Temperaturbereich von 0°C bis 100°C durchgefü Acetylene, konjugierte Ketone, Phosphin
aryl or substituted aryl or R7 or R8 and R4acetylene at temperatures below about −70° C.Solvent levels of from 10 to 100% by weight
(R8AIO)s wherein R7 and R8 are selected from100: 1 to 1 : 100 and the molar ratio of methane and acetylenes have been removed
acetylene represented by the formula (VI): A1 - or bonded each other through one oxygen atom, ##STR27## wherein R8 * is a hydrogen atom
R8 is a hydrogen atom, a lower alkyl radical(1-adamantyl)-4-dodecyloxyphenyl-ethynyl]benzoic acetylene compound of about 0.01 mg/kg to 100
1-oxybiphenyl, 1,1-imino biphenyl radicals R8 and R9, which can be the same or treatment using nitric acid, acetylene black or