Sumitomo Chemical Company, Limited

Takashi Kamikawa

Tamon Itahashi

Seiji Oda

Hiroshi Ueda

Atsushi Yamamoto

Junji Morimoto

Taku Asaumi

Osamu Maruyama

Taigo Kashiwabara

Noriyuki Hida

Akio Tanaka

Shinzaburo Masaki

Masashi Kamitamari

Katsuhiro Suenobu

Ayumi Aoki

Keiko Nakamura

Keiko Yamamoto

Junji Shiraiwa

Ayumi Ogawa

Nanase Sakugawa

The present invention provides a gel containing a water-absorbing crosslinked polymer, and a condensate of a reactive silicon compound having at least one selected from the group consisting of an acidic dissociative group, an acidic dissociative group in a salt form, and a derivative group of an acidic dissociative group.

Gel containing condensation product of reactive silicon compound

A process for producing an aromatic compound in high yield and a palladium complex are provided. The palladium complex is represented by formula (D) or formula (D'): In formula (D), X represents a chlorine atom, A represents an alkyl group having 1 to 3 carbon atoms, B represents an alkyl group having 4 to 20 carbon atoms or a cycloalkyl group having 5 to 10 carbon atoms, Rand Reach independently represent a hydrogen atom, a fluorine atom, or an alkoxy group having 1 to 20 carbon atoms, and R, Rand Rrepresent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms or a heteroaryl group having 4 to 20 carbon atoms. In formula (D&#x2032;), X, A, B and Rto Rare the same as defined above.

Process for producing aromatic compound, and palladium complex

The present invention provides a gel containing a crosslinked polymer having at least one selected from the group consisting of an acidic dissociative group, an acidic dissociative group in a salt form, and a derivative group of an acidic dissociative group, and a condensate of a compound represented by the following formula (I): Si{R&#x2014;N(R)(R)}(OR)(OR)(R) (wherein each group is as defined in the DESCRIPTION).

Gel including condensation product of organic silicon compound

A method is provided for producing an aromatic compound, including a step of mixing a compound represented by formula (A) and a compound represented by formula (B): in the presence of at least one phosphine compound selected from the group consisting of a phosphine represented by formula (C) and a phosphonium salt represented by formula (D): a base, a palladium compound, and an aprotic organic solvent.

Method for producing aromatic compound

A method is provided for producing an aromatic compound, including a step of mixing a compound represented by formula (A) and a compound represented by formula (B):  in the presence of at least one phosphine compound selected from the group consisting of a phosphine represented by formula (C) and a phosphonium salt represented by formula (F):  a base, a palladium compound, and an aprotic organic solvent.

A method for manufacturing a conjugated aromatic compound comprising reacting an aromatic compound (A) substituted with a halogen as a leaving group with an aromatic compound (A) or an aromatic compound (B) substituted with a halogen as a leaving group and is structurally different from the aromatic compound (A), in the presence of (i) a nickel compound, (ii) a metal reducing agent, (iii) at least one ligand (L1) selected from the group consisting of a 2,2'-bipyridine compound having at least one electron-withdrawing group, and a 1,10-phenanthroline compound having at least one electron-withdrawing group, and (iv) at least one ligand (L2) selected from the group consisting of a 2,2&#x2032;-bipyridine compound having at least one electron-releasing group, and a 1,10-phenanthroline compound having at least one electron-releasing group.

Method for manufacturing conjugated aromatic compound

A bipyridine compound represented by the formula (1): wherein R, Rand Reach independently represent a C1-C10 alkyl group which may be substituted etc., and R, R, R, Rand Reach independently represent a hydrogen atom etc., a transition metal complex obtained by contacting a bipyridine compound represented by the formula (1) with a compound of a transition metal belonging to Group 9, 10 or 11, and a method for production of a conjugated aromatic compound comprising reacting an aromatic compound (A) wherein one or two leaving groups are bonded to an aromatic ring with an aromatic compound (A) having the same structure as that of the above-mentioned aromatic compound (A) or an aromatic compound (B) being structurally different from the above-mentioned aromatic compound (A) and having one or two leaving groups bonded to an aromatic ring, in the presence of the transition metal complex.

Bipyridine compound, transition metal complex, and method for production of conjugated aromatic compound using the transition metal complex

A method for producing an unsaturated organic compound represented by the formula (3):(Y)&#x2014;R&#x2014;R&#x2014;(Y)&#x2003;&#x2003;(3)wherein Yrepresents Ror X, and Yrepresents Ror B(X), which comprises reacting a compound represented by the formula (1):R(X)&#x2003;&#x2003;(1)wherein Rrepresents an aromatic group or the like, Xrepresents a leaving group and m represents 1 or 2, with a compound represented by the formula (2):R{B(X)}&#x2003;&#x2003;(2)wherein Rrepresents an aromatic group or the like, Xrepresents a hydroxyl group or the like, and n represents 1 or 2,

Method for producing unsaturated organic compound

A dihalobiphenyl compound represented by the formula (1): wherein A represents an amino group substituted with one or two C1-C20 hydrocarbon groups or a C1-C20 alkoxy group, Rrepresents a fluorine atom, a C1-C20 alkyl group, etc., Xrepresents a chlorine atom, a bromine atom or an iodine atom, an k represents an integer of 0 to 3, anda polyarylene comprising a repeating unit represented by the formula (2): wherein A, Rand k represent the same meanings as defined above.

Polyarylene and process for producing the same

A transition metal complex obtained by contacting a bipyridine compound represented by the formula (1): wherein R, Rand Rrepresent a C1-C10 alkyl group which may be substituted, etc., and Rand Rrepresent a hydrogen atom etc., with a compound of a transition metal belonging to Group 9, 10 or 11, and a process for producing a conjugated aromatic compound comprising reacting an aromatic compound (A) wherein one or two leaving groups are bonded to an aromatic ring with an aromatic compound (A) having the same structure as that of the above-mentioned aromatic compound (A) or an aromatic compound (B) being structurally different from the above-mentioned aromatic compound (A) and having one or two leaving groups bonded to an aromatic ring, in the presence of said transition metal complex.

Transition metal complex and process for producing conjugated aromatic compound using the transition metal complex

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 is disclosed a method for producing a biaryl compound of formula (I): wherein Ris the same or different and independently denotes a substituted or unsubstituted hydrocarbon group or the like, A and B denote an aromatic hydrocarbon ring having from 6 to 14 carbon atoms or the like, k and m independently denote an integer of from 0 to 5, and l denotes an integer of 1 or 2, which method is characterized by reacting an aromatic compound of formula (II): wherein R, k and l denote the same as defined above, and Xdenotes a leaving group, with a Grignard reagent of formula (III): wherein R, B, and m denote the same as defined above and Xdenotes chlorine or the like, in the presence of a cyclic ether, or an acyclic ether having two or more ether oxygens in the molecule and a nickel catalyst.

Method for producing biaryl compound

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

Nara, Japan

Takashi Kamikawa