5663-26-3Relevant academic research and scientific papers
Highly efficient and chemoselective acetalization of carbonyl compounds catalyzed by new and reusab e zirconyl triflate, zr0(0tf)2
Moghadam, Majid,Mohammadpoor-Baltork, Iraj,Tangestaninejad, Shahram,Mirkhani, Valiollah,Yazdani, Parvin,Ghorjipoor, Saeedeh
experimental part, p. 131 - 135 (2009/09/30)
Various types of aromatic aldehydes were efficiently converted to their corresponding 1,3-dioxanes and 1,3-dioxolane with 1,3-propanediol and ethylene glycol, respectively, in the presence of catalytic amount of ZrO(OTf) 2 in acetonitrile at room temperature. The catalyst can be reused several times without loss of its catalytic activity. Very short reaction times, selective acetalization of aromatic aldehydes in the presence of aliphatic aldehydes and ketones, very mild reaction conditions, reusability of the catalyst, and easy workup are noteworthy advantages of this method.
Iodine-catalyzed, efficient and mild procedure for highly chemoselective acetalization of carbonyl compounds under neutral aprotic conditions
Karimi, Babak,Golshani, Behzad
, p. 784 - 788 (2007/10/03)
Various types of carbonyl compounds are efficiently converted to their 1,3-dioxanes by the use of 1,3-bis(trimethylsiloxy)propane (BTSP) and a catalytic amount of iodine (3-7 mol%) under essentially neutral aprotic condition.
ELECTRONIC EFFECT OF 1,3-DIOXACYCLANE SUBSTITUENTS IN NITROBENZALDEHYDE ACETALS
Ovchinnikov, V. V.,Evstaf'eva, Yu. G.,Latypova, V. Z.,Bogoveeva, G. A.,Cherkasov, R. A.
, p. 196 - 199 (2007/10/02)
The electronic effect of 1,3-dioxacyclane substituents in p- and m-nitrobenzaldehyde acetals was studied by IR spectroscopy and electrochemical reduction.In the investigated compounds the electron-withdrawing effect of the 1,3-dioxolane fragments is more
RADICAL-ANIONS GENERATED FROM CYCLIC ACETALS OF NITROBENZALDEHYDE, 2-NITRO-1,3-PROPANEDIOL, AND THEIR HETERO ANALOGS
Kukovitskii, D. M.,Zorin, V. V.,Zelechonok, Yu. B.,Zlot-skii, S. S.,Rakhmankulov, D. L.,Todres, Z. V.
, p. 132 - 136 (2007/10/02)
The potassium salts of the radical-anions of 2-nitrophenyl-1,3-diheterocycloalkanes and 5-alkyl-5-nitro-1,3-diheterocycloalkanes were generated in the liquid phase.The ESR spectra of the radical anions were analyzed, and it was concluded that the 1,3-dihe
