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Oxiranes. ACTA ACUST UNITED AC 2008. [DOI: 10.1002/9780470187203.ch1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]

Stereochemical Aspects of the Synthesis of 1,2-Epoxides. ACTA ACUST UNITED AC 2007. [DOI: 10.1002/9780470147160.ch2] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]

Wüthrich HJ, Siewinski A, Schaffner H, Jeger O. Photochemische Reaktionen. 71. Mitteilung. Die Photoisomerisierung eines spirocyclischen α, β-Epoxyketons. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19730560114] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]

Frei B, de Weck G, Müllen K, Wolf HR, Jeger O. Photochemische Reaktionen. 103. Mitteilung [1]. Zur Photochemie konjugierter Epoxy-en-carbonylverbindungen der Jonon-Reihe: UV.-Bestrahlung α,β-ungesättigter ε-Oxo-γ, δ-epoxy-carbonylverbindungen und Untersuchung des Mechanismus der Epoxy-enon/Furan-Isome. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19790620224] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]

Photochemische Reaktionen. 82. Mitteilung. Zur Photochemie der α,β-Epoxylketone: γ-WasserstoffabstraktionversusEpoxyketon-Umlagerung. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19750580730] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]

Construction of cyclopentyl units by ring contraction reactions. Tetrahedron 2002. [DOI: 10.1016/s0040-4020(02)00990-0] [Citation(s) in RCA: 142] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]

Fontana G, Savona G, Vivona N, Rodríguez B. Photochemical Transformations of Some Neoclerodane and Labdane Diterpene Ketones. European J Org Chem 1999. [DOI: 10.1002/(sici)1099-0690(199909)1999:9<2011::aid-ejoc2011>3.0.co;2-#] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]

Heimgartner H, Hansen HJ. Organische Photochemie im Spiegel vonHelvetica Chimica Acta. Helv Chim Acta 1993. [DOI: 10.1002/hlca.19930760302] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]

Phaff R, Bischofberger N, Mathies P, Petter W, Frei B, Jeger O. Photochemical reactions. 145th Communication. Carbonylvs. epoxyketone photochemistry: Photolysis of 1,2;3,4-diepoxy-2,6,6-trimethyl-1-cyclohexyl methyl ketone. Helv Chim Acta 1985. [DOI: 10.1002/hlca.19850680517] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]

Kaufmann H, Fuhrer H, Kalvoda J. Reactions of steroidal 1,3-diketones with sulfur tetrafluoride. Tetrahedron 1981. [DOI: 10.1016/0040-4020(81)85058-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]

Murai A, Iwasa N, Masamune T. 12,13-Epoxy-C-nor-D-homosteroids. VIH. Transformation of 12α,13α-Epoxyetiojerv-5-ene-3,17-dione 3,3-Ethylene Acetal into Testosterone. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 1980. [DOI: 10.1246/bcsj.53.259] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]

Scopes PM. Applications of the chiroptical techniques to the study of natural products. FORTSCHRITTE DER CHEMIE ORGANISCHER NATURSTOFFE = PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS. PROGRES DANS LA CHIMIE DES SUBSTANCES ORGANIQUES NATURELLES 1975;32:167-265. [PMID: 1100499 DOI: 10.1007/978-3-7091-7083-0_4] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]

Gloor J, Schaffner K. Spezifisch ???*-induzierte Reaktionen von ?-Dimethoxymethylcyclohexen-2-onen: 1,3-Umlagerung und Wasserstoffabstraktion durch das ?-Kohlenstoffatom. Helv Chim Acta 1974. [DOI: 10.1002/hlca.19740570631] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]

A chapter on ketone photochemistry. Tetrahedron 1974. [DOI: 10.1016/s0040-4020(01)97321-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]

Bauer D, Lizuka T, Schaffner K, Jeger O. Photochemische Reaktionen. 68. Mitteilung. Die Photoisomerisierung von ?,?-unges�ttigten ?,?-Epoxyketonen: 9?, 10?- und 9?, 10?-Oxido-3-oxo-17?-acetoxy-?4-�stren. Helv Chim Acta 1972. [DOI: 10.1002/hlca.19720550312] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]

Meystre C, Schmidlin J, Kaufmann H, Anner G. [10(5 leads to 4)-abeo-corticosteroids]. Helv Chim Acta 1972;55:338-55. [PMID: 5023138 DOI: 10.1002/hlca.19720550204] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]

Photolysis of methyl ester of 1?,2?-epoxy-3-keto derivative of gibberellin A1. Russ Chem Bull 1972. [DOI: 10.1007/bf00857815] [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]

Schaffner K. New Developments in the Field of Steroid Ketone Photochemistry. Angew Chem Int Ed Engl 1971. [DOI: 10.1002/anie.197102012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]

Schaffner K. Neue Entwicklungen auf dem Gebiet der Steroidketon-Photochemie. Angew Chem Int Ed Engl 1971. [DOI: 10.1002/ange.19710830517] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]

Baggiolini E, Berscheid HG, Bozzato G, Cavalieri E, Schaffner K, Jeger O. Photochemische Reaktionen. 62. Mitteilung [1]. Die Photofragmentierung von O-acetyljervin. Helv Chim Acta 1971. [DOI: 10.1002/hlca.19710540202] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]

Kuwata S, Schaffner K. Photochemische Reaktionen 49. Mitteilung [1] Spezifisch ? ? ?*-induzierte Keton-Photoreaktionen: Die Doppelbindungsverschiebung von O-Acetyl-10?-testosteron Protonisierung der Doppelbindung seines ?5-Isomeren. Helv Chim Acta 1969. [DOI: 10.1002/hlca.19690520118] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]

Rearrangement photochimique d'α epoxycetones spiranniques ; reaction de fragmentation. Tetrahedron Lett 1969. [DOI: 10.1016/s0040-4039(01)88505-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]

Pfister J, Lehmann C, Wehrli H. [Concerning a new productive synthesis of A-nor-testerone and its 6-dehydro derivatives as well as 7-beta-methyl-A-nor-testosterone]. Helv Chim Acta 1968;51:1505-10. [PMID: 5688032 DOI: 10.1002/hlca.19680510702] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]

Saboz JA, Iizuka T, Wehrli H, Schaffner K, Jeger O. [On the photochemical conversion of an alpha, beta-unsaturated gamma, delta-epoxy ketone: 3-oxo-6-alpha, 7-alpha-oxide-17-beta-acetoxy-Delta-androstane]. Helv Chim Acta 1968;51:1362-71. [PMID: 5680742 DOI: 10.1002/hlca.19680510619] [Citation(s) in RCA: 35] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]

Bellu? D, Schaffner K. Photochemische Reaktionen. 43. Mitteilung [1]. UV.-Bestrahlung von N-Phenylurethan und N-Phenylthiourethan. Helv Chim Acta 1968. [DOI: 10.1002/hlca.19680510127] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]

Keller P, Eggart FLG, Wehrli H, Schaffner K, Jeger O. Photochemische Reaktionen 41. Mitteilung [1]. Zur bimolekularen Photoreduktion cyclischer Ketone, cyclischer ?-Hydroxyketone und cyclischer ?, ?-Epoxyketone. Vorl�ufige Mitteilung. Helv Chim Acta 1967. [DOI: 10.1002/hlca.19670500811] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]