1980
DOI: 10.1016/s0040-4039(00)78630-8
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Reinvestigation of the grignard reactions with formic acid. A convenient method for preparation of aldehydes

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Cited by 24 publications
(7 citation statements)
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“…They are known as strong nucleophiles and react with a broad range of electrophilic substrates. The reaction with aldehydes, ketones, esters, acids and amides are the most useful reactions in organic chemistry for the formation of CAC-bonds [35,36]. Grignard reagents are also valuable bases and can deprotonate a variety of acidic compounds such as water, alcohols and amines to form the corresponding alkane (R-H) and magnesium hydroxides, alkoxides or amides [37,38].…”
Section: Introductionmentioning
confidence: 99%
“…They are known as strong nucleophiles and react with a broad range of electrophilic substrates. The reaction with aldehydes, ketones, esters, acids and amides are the most useful reactions in organic chemistry for the formation of CAC-bonds [35,36]. Grignard reagents are also valuable bases and can deprotonate a variety of acidic compounds such as water, alcohols and amines to form the corresponding alkane (R-H) and magnesium hydroxides, alkoxides or amides [37,38].…”
Section: Introductionmentioning
confidence: 99%
“…In principle this can be accomplished by lithium complexation 20 using Nethoxymethyl-or, as shown here, by N-trityl protection. 21 Several 1-carbon electrophiles such as CO 2 , Eschenmoser's salt, 22 dichloromethane, formic acid, 23 DMF, 24 paraformaldehyde, ethyl chloroformate or methyl cyanoformate 25 were investigated but the most effective electrophile was found to be ethyl formate. The resulting aldehyde 10 26 is relatively unstable on silica gel and was therefore, without further purification, directly submitted to the Leuckart-Wallach reaction 27 with 6. a) ClCPh 3 , Et 3 N, DMF, 95%; b) nBuLi, THF, HCOOEt, 5% citric acid aq soln, 80%.…”
Section: Methodsmentioning
confidence: 99%
“…(3) aus (2) und (bpy)Ni(CO),: Zu 1.26 g (4.7 mmol) (bpy)Ni(CO)2[31 in 30 mL Tetrahydrofuran (THF) werden bei Raumtemperatur 1.1 g (4.7 mmol) (2)['] in 20 mL THF getropft. Die rotviolette Losung verfarbt sich allmahlich rotbraun, wobei unter Gasentwicklung ein Niederschlag ausfallt.…”
Section: Arbeitsvorschrgtunclassified