Sumitomo Chemical Company, Limited

Tamon Itahashi

Takashi Kamikawa

Taketoshi Kikuchi

Naoki Inui

Masahito Sekiguchi

Koichiro Tajima

David P McNaughton

Michael C Walkup

A resorcinolic novolac resin composition comprising the reaction product of (i) an aldehyde or ketone, and (ii) aralkyl-substituted resorcinol and resorcinol, where the moles of the aralkyl-substituted resorcinol to the total moles of the resorcinol and aralkyl-substituted resorcinol is 0.01:1 to 0.4:1.

Novolac resins and use in rubber compositions

An electric double-layer capacitor comprising an electrode containing an activated carbon, an electrolytic solution containing an electrolyte and a separator, wherein the electrolyte is an imidazolium salt represented by the following formula (1) 

Electric double layer capacitor

An activated carbon comprising a carbonized and activated compound represented by the formula (1): (wherein, R represents a hydrocarbon group having 1 to 12 carbon atoms, said hydrocarbon group may be optionally substituted with hydroxyl group, alkyl group, alkoxy group, aryl group, aryloxy group, sulfonyl group, halogen atoms, nitro group, thioalkyl group, cyano group, carboxyl group, amino group or amide group, R' represents hydrogen atom or methyl group, and n represents an integer of 4, 6, or 8).

Electric double-layer capacitor

A method is provided for producing a specific crosscoupling compound and a specific catalyst for producing the compound. The method includes reacting in the presence of a base and a nickel compound catalyst organic halide of the formula n'(RX), wherein Ris a hydrocarbon group and the &#x3b1; and &#x3b2; carbons to X&#x2032; are spcarbon atoms; Xis a chlorine, bromine, or iodine atoms, and n and nare 1 or 2 but not both 2, with a compound having the formula m{R(BX)} where an Ris an aryl, heteroaryl, or alkenyl group, and n&#x2032; is 1 or 2, Xis independently a hydroxyl group, an alkoxy or arylalkoxy group or Xtogether form an alkylenedioxy or arylenedioxy group, and m represents 1 or 2 but m&#x2266;n, and the boron atom is bonded to a spcarbon atom of Rgroup or a boronic acid trimer anhydride.

Method for producing coupling compound

There is provided a method for producing a coupling compound of formula (1):(Y&#x2014;)R&#x2014;R&#x2014;(R)&#x2003;&#x2003;(1)wherein R, Rn and n' are as defined below, Y is Ror X as defined below, which method comprises reacting an organic halogen compound of formula (2):n&#x2032;(RX)&#x2003;&#x2003;(2)wherein Xrepresents a bromine or iodine, Rrepresents a substituted or unsubstituted, linear, branched or cyclic hydrocarbon group of which &#x3b1; and &#x3b2; carbon atoms in relation to Xare sp3 carbon atoms, n and n&#x2032; each independently represent an integer of 1 or 2, and provided that n and n&#x2032; do not simultaneously represent 2, with an organic boron compound of formula (3):m{R(BX)}&#x2003;&#x2003;(3)wherein Rrepresents a substituted or unsubstituted aryl group or a substituted or unsubstituted alkenyl group and the boron atom is bonded with a sp2 carbon atom thereof, Xrepresents a hydroxyl or alkoxy group, n&#x2032; is as defined above, m represents an integer of 1 or 2, and m is not more than n, in the presence of a catalyst comprising a) a nickel compound, and or 

Production method of a coupling compound

A method is provided for producing a specific crosscoupling compound and a specific catalyst for producing the compound. The method includes reacting in the presence of a base and a nickel compound catalyst organic halide of the formula n'(RX), wherein Ris a hydrocarbon group and the &#x3b1; and &#x3b2; carbons to X&#x2032; are spcarbon atoms; Xis a chlorine, bromine, or iodine atoms, and n and nand 1 or 2 but not both 2, with a compound having the formula m{R(BX)} where an Ris an aryl, heteroaryl, or alkenyl group, and n&#x2032; is 1 or 2, Xis independently a hydroxyl group, an alkoxy or arylalkoxy group or Xtogether form an alkylenedioxy or arylenedioxy group, and m represents 1 or 2 but m&#x2266;n, and the boron atom is bonded to a spcarbon atom of Rgroup or a boronic acid trimer anhydride.

There are disclosed a process for producing a coupling compound of formula (1):(Y&#x2014;)R&#x2014;R&#x2014;(R),&#x2003;&#x2003;(1)

Growing community of inventors

Ibaraki, Japan

Tamon Itahashi