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1,7-Octadiyne is an useful bifunctional chain extension unit. It participates in the formation of uranium(IV) vinyl complexes. It reacts with frustrated Lewis pair P(o-tolyl)3/B(C6F5)3 by acetylene C-C coupling to yield the zwitterionic product. It undergoes the reductive cyclization during reaction with Re2Cl4(?-dppm)2 (dppm = Ph2PCH2PPh2) and affords quadruply bonded dirhenium(III) complex Re2Cl3(?,η2-C8H7)(?-dppm)2.
Boris Kosog.; Christos E Kefalidis.; Frank W Heinemann.; Laurent Maron.; Karsten Meyer. Uranium(III)-mediated C-C-coupling of terminal alkynes: fo rmation of dinuclear uranium(IV) vinyl complexes. Journal of the American Chemical Society. 2012, 134 (30), 12792-12797.
Chao Chen.; Roland Fröhlich.; Gerald Kehr.; Gerhard Erker. Remarkably variable reaction modes of frustrated Lewis pairs with non-conjugated terminal diacetylenes. Chemical Communications. 2010, 46 (20), 3580-3582.
Useful bifunctional chain extension unit. For use in Co-mediated [2+2+2] cyclotrimerization reactions, see: Synthesis, 1374 (1994).
해저드 설명서 (EU): H226-H315-H319-H335-H304
Flammable liquid and vapour. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. May be fatal if swallowed and enters airways.
주의 설명서: P210-P301+P310a-P303+P361+P353-P305+P351+P338-P405-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking. IF SWALLOWED: Immediately call a POISON CENTER/doctor IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.