21690-27-7Relevant academic research and scientific papers
STEREOCONTROLLED ALDOL REACTIONS OF BUTYROLACTONE:ERYTHRO-SELECTIVITY VIA HIGH COORDINATION ZINC COMPLEXES
Widdowson, D.A.,Wiebecke, G.H.,Williams, D.J.
, p. 4285 - 4288 (1982)
The stereoselection of the lithium catalysed aldol reaction of benzaldehyde and γ-butyrolactone is reversed by zinc ions.The intermediacy of octahedral or square pyramidal zinc complexes is invoked to explain these observations.
Preparation of organomanganese reagents from organic halides with activated manganese
Kakiya, Hirotada,Nishimae, Shinji,Shinokubo, Hiroshi,Oshima, Koichiro
, p. 8807 - 8815 (2007/10/03)
Reduction of Li2MnCl4 with magnesium metal provided activated manganese as a black suspension in THF. Treatment of organic halides such as allyl bromides, α-halo esters or aryl halides with activated manganese furnished various organomanganese reagents which reacted further with electrophiles to afford the corresponding adducts. The reaction of a ketone bearing an iodoaryl moiety with this active manganese induced cyclization to provide dihydroindene derivative.
A cobalt-phosphine complex as mediator in the formation of carbon-carbon bonds
Orsini,Pelizzoni,Pulici
, p. 1 - 3 (2007/10/02)
The tetrakis(trimethylphospine)cobalt(0) complex, [Co{P(CH3)3}4], in either stoichiometric or catalytic amounts, was shown to be an efficient mediator for a one-pot Reformatsky-type reaction between activated halogen derivatives (esters, amides, lactones) and carbonyl compounds (aldehydes, ketones) to produce a variety of alcohols.
