32462-10-5Relevant academic research and scientific papers
Iron and cobalt complexes of 2,3,7,8-tetrahydroacridine-4,5(1 H,6 H)-diimine sterically modulated by substituted aryl rings for the selective oligomerization to polymerization of ethylene
Appukuttan, Vinu Krishnan,Liu, Yinshan,Son, Bong Chul,Ha, Chang-Sik,Suh, Hongsuk,Kim, Il
scheme or table, p. 2285 - 2294 (2011/06/22)
A new series of Fe(II) and Co(II) complexes of sterically modulated 2,3,7,8-tetrahydroacridine-4,5(1H,6H)-diimine by substituted aryl rings are synthesized. The complex synthesis is achieved through a one-pot methodology by reacting one equivalent of 2,3,
β-Amino Ketones as Key Intermediates in the Synthesis of Pyridines: A Novel and Efficient Route to Annelated Bi- and Terpyridines
Westerwelle, Ulrich,Esser, Achim,Risch, Nikolaus
, p. 571 - 576 (2007/10/02)
The hydrochlorides of β-amino ketones 1a-e (Mannich bases) are easily obtained starting compounds for a novel synthesis of pyridines.Condensation with the heteroaromatic ketones 8, 9, and 10 yields 5,6-dihydro-1,10-phenanthrolines 3a-d, 13 and 4,5-diazafluorenes 4a-d, which have not yet been described in literature.Symmetrical terpyridines 3e, 4e are formed in a one-step reaction of 8, 9 with dimethylmethylenammonium chloride in the presence of an ammonia source.
Polyaza Cavity Shaped Molecules. 4. Annelated Derivatives of 2,2':6',2''-Terpyridine
Thummel, Randolph P.,Jahng, Yurngdong
, p. 2407 - 2412 (2007/10/02)
A two-step method is presented for oxidation of the two α-methylene positions of 2,3:5,6-dicycloalkenopyridines 5a-d.The resulting diketones may be condensed with β-aminoacrolein to afford 3,3:5',3''-bis-annelated tripyridines 2b and 2d.Similar condensati
REACTIONS OF 1,5-DIKETONES. XLI. CONDENSATION OF BIS(2-OXOCYCLOHEXYL)METHANE AND 2-HYDROXY-TRICYCLO2,7>TRIDECAN-13-ONE WITH AROMATIC ALDEHYDES AND THE PROPERTIES OF THE OBTAINED BIS(3-ARYLIDENE-2-OXOCYCLOHEXYL)METHANES
Tilichenko, M. N.,Minaeva, N. N.
, p. 2203 - 2209 (2007/10/02)
By the condensation of bis(2-oxocyclohexyl)methane and 2-hydroxytricyclo2,7>tridecan-13-one with aromatic aldehydes the corresponding bis(3-arylidene-2-oxocyclohexyl)methanes were obtained.When briefly heated in alcohol in the presence
