Triethyl ester

The reaction of 2,2 -bipyrrole with orthoformic acid triethyl ester in the presence of phosphoryl chloride (POCI3) produced a compound which gave the H NMR spectrum 5. Which compound has been prepared ... [Pg.73]

Triethyl orthoformate Orthoformic acid, triethyl ester (8) Ethane, l,l, l"-[methylidynetris(oxy)]tris- (9) (122-51-0)... [Pg.145]

Both the exchange and elimination are catalyzed by the addition of a small amount of a weak acid, such as propanoic acid. These reactions are usually conducted at the reflux temperature of the orthoester, which is about 110°C for the trimethyl ester and 140° C for the triethyl ester. Microwave heating has been used and is reported to greatly accelerate orthoester-Claisen rearrangements.232... [Pg.565]

PREPARATION AND INVERSE ELECTRON DEMAND DIELS-ALDER REACTION OF AN ELECTRON-DEFICIENT HETEROCYCLIC AZAOIENE TRIETHYL 1.2,4-TRIAZINE-3,5,6-TRICARBOXYLATE (l,2,4-Triazine-3,5,6-tricarbo orl 1c acid, triethyl ester)... [Pg.72]

Triethyl phosphonoacetate Acetic acid, phosphono-, triethyl ester (8) ... [Pg.113]

Triethyl orthoformate Orthoformic acid, triethyl ester Ethane,... [Pg.133]

Tri ethyl 1,2,4-triazine-3,5,6-tri carboxyl ate 1,2,4-Tr1azine-3, 5, 6-tricarboxylic acid, triethyl ester (10) (74476-38-3)... [Pg.149]

Organoaluminum compounds, reaction with imino carbocations, 66, 189 Orthoester Claisen rearrangement, 66, 22 Orthoformic acid, triethyl ester, 65, 146 Oxalic acid, diethyl ester, 65, 146... [Pg.255]

Purified by recrystn from toluene + EtOH or H2O. It forms a 1.5 hydrate with m 216-218°, and a dihydrate at 110°. Purified also by conversion to the triethyl ester b 217-218°/10mm, 151°/lmm and distillate solidifies on cooling, m 36-37° and is hydrolysed by boiling in aq HC1. The trimethyl ester can be distd and recrystd from Et20, m 48-49°. [Newman and Lawrie JACS 76 4598 7954, Lukes and Galik Coll Czech Chem Comm 19 712 1954],... [Pg.159]

Sorm and Beranek39 used an intramolecular acylation in their synthesis of l-azoniumtricyclo[3.3.3.0]undecane (66). Condensation of nitromethane with acrylonitrile in the presence of an alkaline catalyst resulted in the formation of tris-(2-cyanoethyl)nitromethane (60), which afforded the triethyl ester 61 on hydrolysis followed by esterification. The ester was reduced catalytically to give a pyrrolidone (62). The derivative (62) gave rise to 8-(j8-carboethoxyethyl)-3,5-dioxo-pyrrolizidine (63) on heating. Reduction of 63 resulted in the formation of 8-(y-hydroxypropyl)pyrrolizidine (64). Replacement of the hydroxy group by bromine (65), followed by cyclization, afforded the tricyclic compound 66. [Pg.328]

Triethyl phosphite Phosphorous acid, triethyl ester (8,9) (122-52-1) 6-1odo-3,4-di methoxybenzal dehyde cyclohexy11 mi ne Cyclohexanami ne, N-[(2-iodo-4,5-dimethoxyphenyl)methylene]- (10) (61599-78-8) Butyllithium Lithium, butyl- (8,9) (109-72-8)... [Pg.60]

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