WO2003012900-A1  BARRY JOHN E. ET AL.: 'The n-bromosuccinimide-succinimide anion complex, an intermediate in the electron transfer mediated reduction of n-bromosuccinimide by succinimide anion' TETRAHEDRON LETTERS vol. 25, no. 27, 1984, pages 2847 - 2850, XP002958949;  HUOT JEAN-YVES ET AL.: 'The electrochemical oxidation of silver and tetrathylammonium salts of formamides and imides. N,N-coupling of formanilidyl radicals' CANADIAN JOURNAL OF CHEMISTRY vol. 66, 1988, pages 33 - 44, XP002958950;  See also references of EP 1414088A1EP1414088-A1  MATSUMOTO, HAJIME ET AL: "Physical and electrochemical properties of room temperature molten salt based on aliphatic onium cations and asymmetric amide anion" PROCEEDINGS - ELECTROCHEMICAL SOCIETY , 2002-19(MOLTEN SALTS XIII), 1057-1065 CODEN: PESODO; ISSN: 0161-6374, 2002, XP008078726;  MATSUMOTO, HAJIME ET AL: "Room temperature ionic liquids based on small aliphatic ammonium cations and asymmetric amide anions" CHEMICAL COMMUNICATIONS (CAMBRIDGE, UNITED KINGDOM) , (16), 1726-1727 CODEN: CHCOFS; ISSN: 1359-7345, 2002, XP002312379;  See also references of WO 03012900A1;  See references of WO 03012900A1US7923142-B2  Matsumoto et al., Room temperature ionic liquids based on small aliphatic ammonium cations and asymmetric amide anions, Jul. 2, 2002, Chemical Communications 2002, pp. 1726-1727.;  Matsumoto et al., Physical and electrochemical properties of room temperature molten salt based on aliphatic onium cations and asymmetric amide anion, 2002, Electrochemical Society Proceedings, vol. 2002-19, pp. 1057-1065.EP1414088-B1  MATSUMOTO, HAJIME ET AL: "Physical and electrochemical properties of room temperature molten salt based on aliphatic onium cations and asymmetric amide anion" PROCEEDINGS - ELECTROCHEMICAL SOCIETY , 2002-19(MOLTEN SALTS XIII), 1057-1065 CODEN: PESODO; ISSN: 0161-6374, 2002, XP008078726;  MATSUMOTO, HAJIME ET AL: "Room temperature ionic liquids based on small aliphatic ammonium cations and asymmetric amide anions" CHEMICAL COMMUNICATIONS (CAMBRIDGE, UNITED KINGDOM) , (16), 1726-1727 CODEN: CHCOFS; ISSN: 1359-7345, 2002, XP002312379;  BARRY JOHN E. ET AL.: 'The n-bromosuccinimide-succinimide anion complex, an intermediate in the electron transfer mediated reduction of n-bromosuccinimide by succinimide anion' TETRAHEDRON LETTERS vol. 25, no. 27, 1984, pages 2847 - 2850, XP002958949;  HUOT JEAN-YVES ET AL.: 'The electrochemical oxidation of silver and tetrathylammonium salts of formamides and imides. N,N-coupling of formanilidyl radicals' CANADIAN JOURNAL OF CHEMISTRY vol. 66, 1988, pages 33 - 44, XP002958950