Detail of "1073-13-8"

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Voltametric study of the electrodimerization of 4,4-dimethyl-2-cyclohexene-1-one in a basic aqueous organic medium

Voltametric study of the electrodimerization of 4,4-dimethyl-2-cyclohexene-1-one in a basic aqueous organic medium. Brillas, E.; Sarret, M.; Virgili, J. (Fac. Quim., Univ. Barcelona, Barcelona, Spain). An. Quim., Ser. A, 80(3), 386-92 (Spanish) 1984. CODEN: AQSTDQ. ISSN: 0211-1330. DOCUMENT TYPE: Journal CA Section: 72 (Electrochemistry) Section cross-reference(s): 22 By using voltammetric methods, the electrodimerization of 4,4-dimethyl-2-cyclohexene-1-one [1073-13-8] was studied in 20 vol.% DMF at pH between 7.65 and 12.40. Use of this medium avoids adsorption of the electroactive species. Reaction mechanisms are discussed.

A new 4C + 2C annelation reaction based on tandem Michael-Claisen condensation

A new 4C + 2C annelation reaction based on tandem Michael-Claisen condensation. 1. General scope. Chan, Tak Hang; Prasad, C. V. C. (Dep. Chem., McGill Univ., Montreal, PQ H3A 2K6, Can.). J. Org. Chem., 52(1), 110-19 (English) 1987. CODEN: JOCEAH. ISSN: 0022-3263. DOCUMENT TYPE: Journal CA Section: 25 (Benzene, Its Derivatives, and Condensed Benzenoid Compounds) Section cross-reference(s): 24 A new 4C+2C annulation reaction based on the propensity of PhSC(:CH2)CH:C(OMe)OSiMe3 (I) to undergo Michael reactions with a,b-unsatd. ketones under Lewis acid-catalyzed conditions was developed. The Michael adducts in turn were cyclized either with Me3COK or with PhSLi. The tandem Michael-Claisen annulation reaction was controlled to give either cis- or trans-fused 9-methyldecalin system with 3 CO groups that were differently masked. The chemoselective transformations of the three carbonyl groups were described. Thus, I and 2-cylcohexen-1-one in CH2Cl2 contg. TiCl4 and Ti(OCHMe2)4 gave (E)- and (Z)-butenoate II in 79% overall yield. 1073-13-8 is just another one chemical used in this study. The cyclization of (E)-II by Me3COK gave 89% tetrahydronaphthalenedione III. .