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Weidmann B, Seebach D. Organometallverbindungen von Titan und Zirconium als selektive nucleophile Reagentien für die Organische Synthese. Angew Chem Int Ed Engl 2007. [DOI: 10.1002/ange.19830950103] [Citation(s) in RCA: 157] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Beat Weidmann
- Laboratorium für Organische Chemie der Eidgenössischen Technischen Hochschule ETH‐Zentrum, Universitätstrasse 16, CH‐8092 Zürich (Schweiz)
| | - Dieter Seebach
- Laboratorium für Organische Chemie der Eidgenössischen Technischen Hochschule ETH‐Zentrum, Universitätstrasse 16, CH‐8092 Zürich (Schweiz)
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Seebach D, Prelog V. Spezifikation des sterischen Verlaufs von asymmetrischen Synthesen. Angew Chem Int Ed Engl 2006. [DOI: 10.1002/ange.19820940904] [Citation(s) in RCA: 185] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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4
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Reetz MT. Organotitanium reagents in organic synthesis a simple means to adjust reactivity and selectivity of carbanions. ACTA ACUST UNITED AC 2005. [DOI: 10.1007/3-540-11766-0_1] [Citation(s) in RCA: 143] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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Schnurrenberger P, Züger MF, Seebach D. Herstellung von Methylestern durch Umesterung funktionalisierter Substrate mit Titalsäureestern als Katalysatoren. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19820650408] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Nájera C, Yus M, Seebach D. C-Metallierte chirale Aloxide als d2- und d3-Reagenzien für die Synthese enantiomerenreiner Produkte (EPC-Synthese). Helv Chim Acta 2004. [DOI: 10.1002/hlca.19840670135] [Citation(s) in RCA: 77] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Seebach D, Kimmerlin T, Šebesta R, Campo MA, Beck AK. How we drifted into peptide chemistry and where we have arrived at. Tetrahedron 2004. [DOI: 10.1016/j.tet.2004.06.043] [Citation(s) in RCA: 104] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Jones P, Knochel P. Preparation and Reactions of Masked Allylic Organozinc Reagents. J Org Chem 1999; 64:186-195. [PMID: 11674102 DOI: 10.1021/jo981623m] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Allylic zinc reagents have been prepared from sterically hindered homoallylic alcohols 10 and 13, using a novel fragmentation reaction of the corresponding zinc alkoxide, without any homocoupling products. These allylic zinc reagents react with a range of electrophiles in good to excellent yields. Substituted allylic zinc reagents have also been prepared in this manner. alpha-Substituted homoallylic alcohols 37, 46, and 51 give solely alpha-substituted products after the fragmentation-allylation sequence; these products are obtained not only regioselectively but also with extremely high anti diastereoselectivity. Likewise, gamma-substituted homoallylic alcohols 57 and 58, undergo the fragmentation-allylation reaction to give gamma-substituted products. The reaction has also been demonstrated to be catalytic in zinc salts.
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Affiliation(s)
- Philip Jones
- Fachbereich Chemie der Philipps Universität Marburg, Hans-Meerwein Strasse, D-35032 Marburg, Germany
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Hollenstein S, Hesse M. Struktur des Zwischenproduktes einer (i-PrO)2 TiMe2-Methylierung: NMR-Untersuchungen und Konformationsanalyse. Helv Chim Acta 1996. [DOI: 10.1002/hlca.19960790325] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Hormuth S, Reißig HU, Dorsch D. Titaniertes Methoxyallen als neuartiges Homoaldoläquivalent in diastereoselektiven Additionen an chirale Aminoaldehyde. Angew Chem Int Ed Engl 1993. [DOI: 10.1002/ange.19931051026] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Hormuth S, Reissig HU, Dorsch D. Titanated Methoxyallene as Novel Homoaldol Equivalent for Diastereoselective Additions to Chiral Amino Aldehydes. ACTA ACUST UNITED AC 1993. [DOI: 10.1002/anie.199314491] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Kauffmann T, Bonrath W, Beirich C, Li W, Pahde C, Raedeker S, Wichmann B, Wingbermühle D. Alkylvanadium- und Alkylniob-Reagenzien, III. über zwei unkonventionelle Methoden zur Charakterisierung labiler Organoübergangsmetall-Komplexe; Anwendungen auf Allylderivate von VIII, VV, CrIII und MnII. ACTA ACUST UNITED AC 1993. [DOI: 10.1002/cber.19931260920] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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?-Complexes of transition metals in organic synthesis 8. Coupled addition of allyl MN(II)-organic compounds to esters and nitriles of?,?-unsaturated carboxylic acids. Russ Chem Bull 1990. [DOI: 10.1007/bf00961710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Williams D, Klingler FD. Stereoselective allylation for preparation of L-hexose derivatives. Tetrahedron Lett 1987. [DOI: 10.1016/s0040-4039(01)81010-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Transition metal ?-complexes in organic synthesis. Communication 2. Regioselectivity in allyldemetallation reactions of organotitanium compounds catalyzed by palladium complexes. Russ Chem Bull 1986. [DOI: 10.1007/bf00953348] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Mulzer J, de Lasalle P, Freißler A. Addition of crotylchromium(II) and dilithium propionate to (R)-2,3-O-isopropylideneglyceraldehyde: Steric course and synthetic application in a formal synthesis of (+)- and (−)-δ-multistriatin. ACTA ACUST UNITED AC 1986. [DOI: 10.1002/jlac.198619860704] [Citation(s) in RCA: 32] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Hosomi A, Ando M, Sakurai H. DIASTEREOSELECTIVE REACTION OF CROTYLSILANES WITH ACETALS. IMPORTANCE OF THE ELECTRONIC EFFECT IN ACYCLIC STEREOSELECTION. CHEM LETT 1986. [DOI: 10.1246/cl.1986.365] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Reetz MT, Steinbach R, Westermann J, Peter R, Wenderoth B. Stereoselective Addition of Organotitanium Reagents to Carbonyl Compounds. ACTA ACUST UNITED AC 1985. [DOI: 10.1002/cber.19851180413] [Citation(s) in RCA: 92] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Coxon JM, van Eyk SJ, Steel PJ. Highly diastereoselective reactions of (E)-cinnamyl chloride with aldehydes mediated by tin and aluminium. Tetrahedron Lett 1985. [DOI: 10.1016/s0040-4039(00)95103-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Denmark SE, Weber EJ. On the stereochemistry of allylmetal-aldehyde condensations. Preliminary communication. Helv Chim Acta 1983. [DOI: 10.1002/hlca.19830660604] [Citation(s) in RCA: 128] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Mashima K, Yasuda H, Asami K, Nakamura A. STRUCTURES OF MONO- AND BIS(2-BUTENYL)ZIRCONIUM COMPLEXES IN SOLUTION AND THREO SELECTIVE INSERTION REACTION OF ALIPHATIC ALDEHYDES. CHEM LETT 1983. [DOI: 10.1246/cl.1983.219] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Okada H, Matsuda I, Izumi Y. A STEREOCONTROLLED SYNTHESIS OF 2-METHYL-2-ALKENENITRILES FROMC-METHYL-C,N-BIS(TRIMETHYLSILYL)KETENIMINE AND ALDEHYDES. CHEM LETT 1983. [DOI: 10.1246/cl.1983.97] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Weidmann B, Seebach D. Organometallic Compounds of Titanium and Zirconium as Selective Nucleophilic Reagents in Organic Synthesis. ACTA ACUST UNITED AC 1983. [DOI: 10.1002/anie.198300311] [Citation(s) in RCA: 235] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Seebach D, Schiess M. Alkylative amination of non-enolizable aldehydes with alkyl (dialkyl-amino)titanium derivatives Preliminary Communication. Helv Chim Acta 1982. [DOI: 10.1002/hlca.19820650831] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Seebach D, Widler L. A case of highly diastereoselective addition to unsymmetrical ketones:lk-addition of (2-alkenyl)triphenoxytitanium derivatives. Helv Chim Acta 1982. [DOI: 10.1002/hlca.19820650704] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Seebach D, Prelog V. The Unambiguous Specification of the Steric Course of Asymmetric Syntheses. ACTA ACUST UNITED AC 1982. [DOI: 10.1002/anie.198206541] [Citation(s) in RCA: 226] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Controlled reversal of chemoselectivity in reactions of allyltitanium ate complexes with carbonyl compounds. Tetrahedron Lett 1982. [DOI: 10.1016/s0040-4039(00)85813-x] [Citation(s) in RCA: 74] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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