|
51
|
Hossain N, Plavec J, Thibaudeau C, Chattopadhyaya J. Diels-alder reaction of 2′,3′-unsaturated-3′-nitro-thymidine. First chemical evidence of nitroxide radical formation in the radical-promoted denitration reaction. Tetrahedron 1993. [DOI: 10.1016/s0040-4020(01)91224-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
|
|
52
|
Seebach D, Schäfery H, Schmidt B, Schreiber M. CC-Kupplung am vinylischen Kohlenstoffatom unter NO2-/Alkyl-Substitution bei der Umsetzung von 2-Aryl-1-nitro-1-alkenen mit Dialkylzinkverbindungen — eine neue Reaktion. Angew Chem Int Ed Engl 1992. [DOI: 10.1002/ange.19921041237] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
|
53
|
Chinchilla R, Bäckvall JE. Cycloadditions of 2-nitro 1,3-dienes to enamines. Asymmetric induction and synthesis of unsaturated nitroketones and diels-alder adducts via [4+2] heterocyloadditions. Tetrahedron Lett 1992. [DOI: 10.1016/s0040-4039(00)61168-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
|
|
54
|
Huffman JW, Cooper MM, Miburo BB, Pennington WT. Reactions of enaminones with 1-nitroolefins. Scope and limitations of a polyquinane synthesis. Tetrahedron 1992. [DOI: 10.1016/s0040-4020(01)80490-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|
|
55
|
Machida S, Hashimoto Y, Saigo K, Inoue JY, Hasegawa M. The highly syn-selective Michael reaction of enamines with 2-(1-alkenyl)-1,3-dioxolan-2-ylium cations generated from 2,2-dimethoxyethyl 2-alkenoates in situ. Tetrahedron 1991. [DOI: 10.1016/s0040-4020(01)80900-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
|
|
56
|
|
|
57
|
Sevin A, Masure D, Giessner-Prettre C, Pfau M. A Theoretical Investigation of Enantioselectivity:Michael Reaction of Secondary Enamines with Enones. Helv Chim Acta 1990. [DOI: 10.1002/hlca.19900730303] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
|
|
58
|
|
|
59
|
Denmark SE, Moon YC, Cramer CJ, Dappen MS, Senanayake C. Intramolecular [4+2]-cycloadditions of nitroalkenes with olefins. 2. Tetrahedron 1990. [DOI: 10.1016/s0040-4020(01)89054-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
|
|
60
|
Hashimoto Y, Machida S, Saigo K, Inoue JY, Hasegawa M. A HighlySyn-selective Michael Reaction of Enamines with α,β-Unsaturated EstersviaCationic Intermediates. CHEM LETT 1989. [DOI: 10.1246/cl.1989.943] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
|
|
61
|
Felluga F, Nitti P, Pitacco G, Valentin E. Carbo- and heterocyclization reactions of 2-(4-morpholinyl)-1-phenylpropene and nitroolefins. Tetrahedron 1989. [DOI: 10.1016/s0040-4020(01)89509-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
|
62
|
Felluga F, Nitti P, Pitacco G, Valentin E. Highly diastereoselective synthesis of cyclic nitronic esters from 1-(4-morpholinyl)-1-phenylpropene with nitroolefins. Tetrahedron 1989. [DOI: 10.1016/s0040-4020(01)80071-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
|
63
|
The asymmetric michael addition process involving chiral imines : stereochemical data in support of a cyclic-like transition state. Tetrahedron Lett 1988. [DOI: 10.1016/0040-4039(88)85255-9] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
|
64
|
Felluga F, Nardin G, Nitti P, Pltacco G, Valentin E. Cyclopentaannulation reactions between nitrocycloalkenes and diacetyl morpholino enamine. Tetrahedron 1988. [DOI: 10.1016/s0040-4020(01)86222-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
|
|
65
|
Gruseck U, Heuschmann M. 2-Alkylidenimidazolidine – Keten-Äquivalente in der inversen Diels-Alder-Reaktion. ACTA ACUST UNITED AC 1987. [DOI: 10.1002/cber.19871201218] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
|
66
|
|
|
67
|
Hashimoto Y, Mukaiyama T. The Oxidative Michael Reaction. A Highly Diastereoselective Synthesis of 5-Oxocarboxylic Acid Derivatives. CHEM LETT 1986. [DOI: 10.1246/cl.1986.1623] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
|
|
68
|
Seebach D, Chow HF, Jackson RFW, Sutter MA, Thaisrivongs S, Zimmermann J. (+)-11,11′-Di-O-methylelaiophylidene – preparation from elaiophylin and total synthesis from (R)-3-hydroxybutyrate and (S)-malate. ACTA ACUST UNITED AC 1986. [DOI: 10.1002/jlac.198619860714] [Citation(s) in RCA: 83] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
|
69
|
Mukaiyama T, Tamura M, Kobayashi S. THE STEREOSELECTIVE MICHAEL REACTION BETWEEN SILYL ENOL ETHERS AND α,β-UNSATURATED KETONES BY THE USE OF TRITYL PERCHLORATE AS A CATALYST. CHEM LETT 1986. [DOI: 10.1246/cl.1986.1017] [Citation(s) in RCA: 34] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
|
|
70
|
Fehr C, Galindo J. Synthesis of (E)-1-Propenyl Ketones from Carboxylic Esters and Carboxamides by Use of Mixed Organolithium-Magnesium Reagents. Synthesis of ?-Damascone, ?-Damascone, and ?-Damascenone. Helv Chim Acta 1986. [DOI: 10.1002/hlca.19860690127] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
|
71
|
Kpegba K, Metzner P, Rakotonirina R. Stereospecific Michael addition of dithioester enethiolates with acyclic enones. Tetrahedron Lett 1986. [DOI: 10.1016/s0040-4039(00)84298-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
|
72
|
Seebach D, Imwinkelried R, Weber T. EPC Syntheses with C, C Bond Formation via Acetals and Enamines. ACTA ACUST UNITED AC 1986. [DOI: 10.1007/978-3-642-82805-8_4] [Citation(s) in RCA: 55] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
|
|
73
|
Calderari G, Seebach D. AsymmetrischeMichael-Additionen. Stereoselektive Alkylierung chiraler, nicht racemischer Enolate durch Nitroolefine. Herstellung enantiomerenreiner ?-Aminobutters�ure- und Bernsteins�ure-Derivate. Helv Chim Acta 1985. [DOI: 10.1002/hlca.19850680611] [Citation(s) in RCA: 126] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
|
|
74
|
Seebach D, Brook MA. Reversed Stereochemical Course of theMichael Addition of Cyclohexanone to ?-Nitrostyrenes by Using 1-(Trimethylsiloxy)cyclohexene/Dichloro(diisopropoxy)titanium. Preliminary Communication. Helv Chim Acta 1985. [DOI: 10.1002/hlca.19850680205] [Citation(s) in RCA: 51] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|