Reference

Present key compounds: 2-ethylbutyl compounds as derivatives from 2-ethylbutanes

Present key compounds: 2-ethylbutyl compounds as derivatives from 2-ethylbutanes. Cornils, Boy; Feichtinger, Hans (Ruhrchem. Aktienges., Oberhausen-Holten, Ger.).In this article, certain chemicals are used. Some of their cas registry numbers are 97-96-1 and 88-09-5 Chem.-Ztg., 101(3), 107-17 (German) 1977. CODEN: CMKZAT. DOCUMENT TYPE: Journal; General Review CA Section: 23 (Aliphatic Compounds) Synthesis and reactivity of MeCH:CEtCHO, MeCH2CHEtCHO, MeCH2CHEtCO2H, and MeCH2CHEtCH2OH are reviewed with 239 refs. .

Evaluation of C-trialkylsilyl enol and thioenol ethers as intermediates in the synthesis of acylsilanes

Evaluation of C-trialkylsilyl enol and thioenol ethers as intermediates in the synthesis of acylsilanes. Hammaecher, Catherine; Ouzzane, Imad; Portella, Charles; Bouillon, Jean-Philippe (UMR 6519 Reactions Selectives et Applications', CNRS-Universite de Reims Champagne-Ardenne, Reims 51687, Fr.). Tetrahedron, 61(3), 657-663 (English) 2005 Elsevier B.V. CODEN: TETRAB. ISSN: 0040-4020. DOCUMENT TYPE: Journal CA Section: 29 (Organometallic and Organometalloidal Compounds) Section cross-reference(s): 23 Acylsilanes were conveniently prepd. by a Peterson reaction of an aldehyde with lithiated methoxy- or methylthiomethylenebis-silanes with subsequent acid hydrolysis. Silylation of TMSCH2YMe by lithiation with subsequent treatment with R3SiCl gave TMSCH(SiR3)YMe [3-7; Y = O, S; SiR3 = TMS, tBuMe2Si (TBDMS), iPr3Si (TIPS)].In this study， 97-96-1 and 100548-14-9 are also used. Condensation of lithiated 3-7 with aldehydes R1CHO gave enol ethers R1CH:C(OMe)SiR3 (1a,b; R1 = Ph, SiR3 = tBuMe2Si). Reaction of TBDMS methoxy deriv. 4 (Y = O) gave rather poor yield, satisfactory results were obtained by use of methylthio derivs. 6 and 7 (Y = S, SiR3 = TMS, TBDMS). Thioenol ethers MeSC(SiR3):CHR1 (13a-f; SiR3 = TMS, R1 = Ph, PhCH2, C8H17, Et2CH, EtCH:CH(CH2)4; 14g,h; SiR3 = TBDMS, R1 = Ph, C8H17) were prepd. with high yields and chemoselectivity. Acylsilanes R1CH2COTMS (15a-f, same R1) were then prepd. by acid hydrolysis of thioethers 13a-f. C-silyl enol ethers or thioenol ethers have been prepd. by a Peterson reaction, as intermediates for acylsilane synthesis. .