15232-96-9Relevant articles and documents
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Weinstock,Bordwell
, p. 6706 (1955)
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Seghers,Shechter
, p. 1943,1944, 1945 (1976)
Photosensitized (electron-transfer) deconjugation of 1-arylcyclohexenes
Mangion, Dino,Kendall, Jamie,Arnold, Donald R.
, p. 45 - 48 (2001)
(equation presented) A series of 1-arylcyclohexenes have been deconjugated to the corresponding 3-arylcyclohexenes via a photosensitized electron-transfer reaction. The introduction of substituents on the aryl group has provided insight into the underlyin
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Moore,W.M. et al.
, p. 4954 - 4960 (1975)
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Efficient functionalization of olefins by arylsilanes catalyzed by palladium anionic complexes
Silarska,Majchrzak,Marciniec,Trzeciak
, p. 458 - 464 (2016/12/16)
The coupling of organosilanes and different olefins was performed efficiently in the presence of anionic complexes, [CA]2[PdX4] and [CA]2[Pd2X6], where CA?=?imidazolium or pyridinium cation. The reaction proceeds according to a Pd(II)-mediated pathway, and Cu(OAc)2 acts as the re-oxidant of Pd(0) formed during the catalytic process. High product yields were obtained for differently substituted olefins at 80?°C in 4?h. Styrylsilanes reacted in the same conditions giving unsymmetrical 1,3-dienes.
Cobalt-Catalyzed Cross-Coupling of Grignards with Allylic and Vinylic Bromides: Use of Sarcosine as a Natural Ligand
Frlan, Rok,Sova, Matej,Gobec, Stanislav,Stavber, Gaj,?asar, Zdenko
, p. 7803 - 7809 (2015/08/18)
Sarcosine was discovered to be an excellent ligand for cobalt-catalyzed carbon-carbon cross-coupling of Grignard reagents with allylic and vinylic bromides. The Co(II)/sarcosine catalytic system is shown to perform efficiently when phenyl and benzyl Grignards are coupled with alkenyl bromides. Notably, previously unachievable Co-catalyzed coupling of allylic bromides with Grignards to linearly coupled α-products was also realized with Co(II)/sarcosine catalyst. This method was used for efficient preparation of the key intermediate in an alternative synthesis of the antihyperglycemic drug sitagliptin.