FITJER, L.: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

Don't use scam websites

51

Protoilludane sesquiterpenes: synthesis of (±)-cerapicol, formal synthesis of (±)-sterpurene, and synthesis and absolute configuration of (+)-cerapicol

Nizar El-Hachach, Ralf Gerke, Mathias Noltemeyer, Lutz Fitjer

Journal:

Year:

2009

Language:

english

File:

PDF, 361 KB

english, 2009

52

Helical primary structures of 1,3-spiroannelated five-membered rings: (±)-trispiro[4.1.1.4.2.2]heptadecane and (±)-tetraspiro[4.1.1.1.4.2.2.2]heneicosane

Imelda Meyer-Wilmes, Ralf Gerke, Lutz Fitjer

Journal:

Year:

2009

Language:

english

File:

PDF, 355 KB

english, 2009

53

Synthesis and rearrangement of dispiro[2.0.3.4]-, dispiro-[3.0.3.3]- and dispiro[2.1.3.3]undecanes - preferred C4-C5 over C3-C4 and C4-C3 over C5-C6 rearrangements

Lutz Fitjer, Beate Rissom, Andreas Kanschik, Ernst Egert

Journal:

Year:

1994

Language:

english

File:

PDF, 1.17 MB

english, 1994

54

Synthesis and rearrangement of dispiro[3.1.3.2]-, dispiro[3.0.3.3]- and dispiro[3.0.4.2]undecanes- new entries to [3.3.3]propellanes

Lutz Fitjer, Andrew Kanschik, Marita Majewski

Journal:

Year:

1994

Language:

english

File:

PDF, 996 KB

english, 1994

55

Sterically crowded cyclohexanes - 81). Synthesis, crystal structure, conformation and dynamics of pentaspiro[2.0.2.0.2.0.2.0.2.1]hexadecane, pentaspiro[3.0.2.0.3.0.2.0.3.1]- nonadecane and pentaspiro[3.0.3.0.3.0.3.0.3.1] heneicosane

Lutz Fitjer, Ulrich Klages, Detlef Wehle, Manfred Giersig, Norbert Schormann, William Clegg, David S. Stephenson, Gerhard Binsch

Journal:

Year:

1988

Language:

english

File:

PDF, 766 KB

english, 1988

56

Sterically crowded cyclohexanes - 71). synthesis, crystal structure, conformation and dynamics of hexaspiro[2.0.3.0.2.0.3.0.3.0.3.0]docosane and hexaspiro[2.0.3.0.3.0.3.0.3.0.3.0]tricosane

Lutz Fitjer, Manfred Giersig, Detlef Wehle, Martin Dittmer, Georg-Wilhelm Koltermann, Norbert Schormann, Ernst Egert

Journal:

Year:

1988

Language:

english

File:

PDF, 1.02 MB

english, 1988

57

Helical primary structures of four-membered rings: (M)-trispiro[3.0.0.3.2.2]tridecane

Lutz Fitjer, Ralf Gerke, Jörg Weiser, Gabor Bunkoczi, Judit E Debreczeni

Journal:

Year:

2003

Language:

english

File:

PDF, 298 KB

english, 2003

58

MM3 parameters for carbocations

David Strobl, Jörg Weiser, Lutz Fitjer

Journal:

Year:

1997

Language:

english

File:

PDF, 378 KB

english, 1997

59

STERICALLY CROWDED CYCLOHEXANES-9. SYNTHESIS, CONFORMATION AND DYNAMICS OF HEXASPIRO[2.0.4.0.2.0.4.0.2.0.4.0]TETRACOSANE

Karin Wulf, Ulrich Klages, Beate Rissom, Lutz Fitjer*

Journal:

Year:

1997

Language:

english

File:

PDF, 822 KB

english, 1997

60

Sterically crowded cyclohexanes—10 Synthesis, conformation and dynamics of 8,8,13,13-tetramethyltetraspiro[2.0.3.1.3.1.3.0]heptadecane

Beate Rissom, Lutz Fitjer

Journal:

Year:

1997

Language:

english

File:

PDF, 522 KB

english, 1997

61

The bicyclobutylidene to bicyclooctene rearrangement: Formal syntheses of (±)-ceratopicanol and (±)-hirsutene

Thorsten Anger, Onno Graalmann, Heike Schröder, Ralf Gerke, Uta Kaiser, Lutz Fitjer, Mathias Noltemeyer

Journal:

Year:

1998

Language:

english

File:

PDF, 558 KB

english, 1998

62

Towards acyclic 1,1-linked polycyclobutanes as potential precursors of polyspiranes with a helical primary structure: Synthesis of tercyclobutanes and attempted synthesis of quinquecyclobutanes

Said Gaini-Rahimi, Christoph Steeneck, Imelda Meyer, Lutz Fitjer, Frank Pauer, Mathias Noltemeyer

Journal:

Year:

1999

Language:

english

File:

PDF, 862 KB

english, 1999

63

A rearrangement approach to (±)-cerapicol

Nizar El-Hachach, Matthias Fischbach, Ralf Gerke, Lutz Fitjer

Journal:

Year:

1999

Language:

english

File:

PDF, 601 KB

english, 1999

64

Synthesis, crystal structure and light absorption of vinylogous N,N′-dialkylindigos

Lutz Fitjer, Ralf Gerke, Wolfgang Lüttke, Peter Müller, Isabel Usón

Journal:

Year:

1999

Language:

english

File:

PDF, 453 KB

english, 1999

65

Towards a synthesis of (±)modhephene via cascade rearrangement: Synthesis and rearrangement of dispiro[3.0.4.2]undecanes to [3.3.3]propellanes

Lutz Fitjer, Marita Majewski, Andreas Kanschik

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 147 KB

english, 1988

66

(±)Modhephene and (±)isocomene via cascade rearrangement

Lutz Fitjer, Andreas Kanschik, Marita Majewski

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 268 KB

english, 1988

67

Synthesis and rearrangement of functionalized dispiro[2.1.3.3]Undecanes - preferred C4C5 over C3C4 ring enlargements

Lutz Fitjer, Marita Majewski, Andreas Kanschik, Ernst Egert, George M Sheldrick

Journal:

Tetrahedron Letters

Year:

1986

Language:

english

File:

PDF, 232 KB

english, 1986

68

Conformational isomerism in a fully substituted cyclohexane

Detlef Wehle, Lutz Fitjer

Journal:

Tetrahedron Letters

Year:

1986

Language:

english

File:

PDF, 207 KB

english, 1986

69

[2+2]-cycloadditions of cyclopentyne

Lutz Fitjer, Ursula Kliebisch, Detlef Wehle, Said Modaressi

Journal:

Tetrahedron Letters

Year:

1982

Language:

english

File:

PDF, 224 KB

english, 1982

70

Towards [6.5]coronane - fivefold cyclobutylmethyl-cyclopentyl rearrangement in a pentaspiroheneicosanal

Lutz Fitjer, Manfred Giersig, William Clegg, Norbert Schormann, George M. Sheldrick

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 218 KB

english, 1983

71

The stereochemistry of the [2+2]-cycloadditions of cyclopentyne - evidence for an antisymmetrical singlet ground state

Lutz Fitjer, Said Modaressi

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 211 KB

english, 1983

72

Synthesis and rearrangement of functionalized dispiro [3.0.3.3]Undecanes - a new entry to [3.3.3]Propellanes1

Lutz Fitjer, Andreas Kanschik, Marita Majewski

Journal:

Tetrahedron Letters

Year:

1985

Language:

english

File:

PDF, 230 KB

english, 1985

73

Permethylcyclohexane

Lutz Fitjer, Hans-Jörg Scheuermann, Detlef Wehle

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 255 KB

english, 1984

74

Corrosion Susceptibility of Lingual Wire Extensions in Removable Appliances An in Vitro Study

Lars C. Fitjer, Irmtrud E. Jonas, Heinrich F. Kappert

Journal:

Journal of Orofacial Orthopedics/Fortschritte der Kieferorthopädie

Year:

2002

File:

PDF, 609 KB

2002

75

Synthesis and rearrangement of [1,1′-bicyclobutyl]-1-ols and spiro[3.4]octan-5-ols: a general access to bicyclo[3.3.0]octenes (hexahydropentalenes)

Klaus Mandelt, Imelda Meyer-Wilmes, Lutz Fitjer

Journal:

Year:

2004

Language:

english

File:

PDF, 468 KB

english, 2004

76

Percycloalkylated cyclohexanes: attempted synthesis of a trispropellane

Karl Justus, Tobias Beck, Mathias Noltemeyer, Lutz Fitjer

Journal:

Year:

2009

Language:

english

File:

PDF, 316 KB

english, 2009

77

Synthesis, conformation and dynamics of 4,4,5,5,6,6,7,7,8,8-decamethyl-1-oxa-spiro[2.5]octane and 1,2,3,3,4,4,5,5,6,6-decamethyl-cyclohexene

Stefan Dressel, Norbert Schormann, Lutz Fitjer

Journal:

Year:

2010

Language:

english

File:

PDF, 495 KB

english, 2010

78

New indigo chromophores containing disulfide donor groups

Ralf Gerke, Lutz Fitjer, Peter Müller, Isabel Usón, Klaus Kowski, Paul Rademacher

Journal:

Year:

1999

Language:

english

File:

PDF, 348 KB

english, 1999

79

Conformation and Dynamics of (−)-β-Caryophyllene

Matthias Hübner, Beate Rissom, Lutz Fitjer

Journal:

Helvetica Chimica Acta

Year:

1997

Language:

english

File:

PDF, 502 KB

english, 1997

80

A New Rotane Family: Synthesis, Structure, Conformation, and Dynamics of [3.4]-, [4.4]-, [5.4]-, and [6.4]Rotane1

Fitjer, Lutz, Steeneck, Christoph, Gaini-Rahimi, Said, Schröder, Ulrike, Justus, Karl, Puder, Peter, Dittmer, Martin, Hassler, Carla, Weiser, Jörg, Noltemeyer, Mathias

Journal:

Journal of the American Chemical Society

Year:

1998

Language:

english

File:

PDF, 248 KB

english, 1998

81

ChemInform Abstract: Synthesis of (3aR,6aR)-2,2,5,6-Tetramethyl-1,2,3,3a,4,6a- hexahydropentalene: A Potential Precursor of Protoilludane Sesquiterpenes. Part 17. Cascade Rearrangement.

L. FITJER, R. GERKE, T. ANGER

Journal:

Year:

1995

File:

PDF, 28 KB

1995

82

ChemInform Abstract: Polyspiranes. Part 24. Cascade Rearrangements. Part 19. Synthesis and Rearrangement of Dispiro(2.0.3.4)-, Dispiro(3.0.3.3)- and Dispiro(2.1. 3.3)undecanes - Preferred C4-C5 Over C3-C4 and C4-C3 Over C5-C6 Rearrangements.

L. FITJER, B. RISSOM, A. KANSCHIK, E. EGERT

Journal:

Year:

1995

File:

PDF, 36 KB

1995

83

ChemInform Abstract: Polyspiranes. Part 23. Cascade Rearrangements. Part 18. Synthesis and Rearrangement of Dispiro(3.1.3.2)-, Dispiro(3.0.3.3)- and Dispiro(3.0. 4.2)undecanes - New Entries to (3.3.3)Propellanes.

L. FITJER, A. KANSCHICK, M. MAJEWSKI

Journal:

Year:

1995

File:

PDF, 35 KB

1995

84

Rearrangement of (-)-.beta.-Caryophyllene. A Product Analysis and Force Field Study

Fitjer, Lutz, Malich, Andreas, Paschke, Carola, Kluge, Sabine, Gerke, Ralf, Rissom, Beate, Weiser, Joerg, Noltemeyer, Mathias

Journal:

Journal of the American Chemical Society

Year:

1995

Language:

english

File:

PDF, 1.25 MB

english, 1995

85

Pseudohelical and Helical Primary Structures of 1,2-Spiroannelated Four- and Five-Membered Rings: Syntheses and Chiroptical Properties †

Widjaja, Tien, Fitjer, Lutz, Pal, Aritra, Schmidt, Hans-Georg, Noltemeyer, Mathias, Diedrich, Christian, Grimme, Stefan

Journal:

Journal of Organic Chemistry

Year:

2007

Language:

english

File:

PDF, 333 KB

english, 2007

86

Cyclobutyl phenyl sulfoxide and (SR)-cyclobutyl p-tolyl sulfoxide: new reagents for the spiroannelation of cyclopentanone

Journal:

Tetrahedron Letters

Year:

1995

Language:

english

File:

PDF, 211 KB

english, 1995

87

Polyspiranes. 22. Cascade rearrangements. 16. Stereospecific rearrangements in tricyclopentanoid sesquiterpenes: the absolute configuration of (-)-isocomene, (-)-.beta.-isocomene, and (-)-silphinene

Fitjer, Lutz, Monzo-Oltra, Honorato

Journal:

Journal of Organic Chemistry

Year:

1993

Language:

english

File:

PDF, 293 KB

english, 1993

88

Preparative-Scale Syntheses of Bicyclobutylidene, Methylenecyclobutane and Cyclobutanone

Fitjer, Lutz, Quabeck, Ulrike

Journal:

Year:

1987

File:

PDF, 195 KB

1987

89

Synthesis of (3a R ,6a R )-2,2,5,6-Tetramethyl-1,2,3,3a,4,6a-hexahydropentalene: A Potential Precursor of Protoilludane Sesquiterpenes

Fitjer, Lutz, Gerke, Ralf, Anger, Thorsten

Journal:

Year:

1994

File:

PDF, 214 KB

1994

90

Synthesis of Novel, Helical Spiroannelated Hydrocarbon Rings

Meyer-Wilmes, I., Gerke, R., Fitjer, L.

Journal:

Year:

2009

Language:

english

File:

PDF, 67 KB

english, 2009

91

1,1-Bifunctional Cyclopropanes; Convenient Synthesis of 1-Bromo-, 1-Chloro-, and 1-Fluorocyclopropyl Methyl Ketone

Journal:

Year:

1977

File:

PDF, 138 KB

1977

92

Chair/Twist-Boat Energy Gap in Monocyclic, Conformationally Unconstrained Polyalkylcyclohexanes

Weiser, Jörg, Golan, Oren, Fitjer, Lutz, Biali, Silvio E.

Journal:

Journal of Organic Chemistry

Year:

1996

Language:

english

File:

PDF, 305 KB

english, 1996

93

ChemInform Abstract: Sterically Crowded Cyclohexanes. Part 5. Synthesis, Conformation and Dynamics of 4,4,5,5,6,6,7,7,8,8-Decamethylspiro(2.5)octane and Dodecamethylcyclohexane.

WEHLE, D., SCHEUERMANN, H.-J., FITJER, L.

Journal:

Year:

1987

File:

PDF, 209 KB

1987

94

ChemInform Abstract: Polyspiranes. Part 12. Cascade Rearrangements. Part 7. Heptacyclo(19.3.0.01,5.05,9.09,13.013,17.017,21)tetracosane ((6.5)Coronane).

WEHLE, D., FITJER, L.

Journal:

Year:

1987

File:

PDF, 134 KB

1987

95

ChemInform Abstract: Polyspiranes. Part 18. Rearrangement Cascades. Part 13. From Tetraspiranes to Bispropellanes.

FITJER, L., QUABECK, U.

Journal:

Year:

1989

File:

PDF, 112 KB

1989

96

ChemInform Abstract: Towards a Synthesis of (.+-.)-Modhephene via Cascade Rearrangement: Synthesis and Rearrangement of Dispiro(3.0.4.2)undecanes (IV) and (VIII) to (3.3.3)Propellanes (V) and (IX).

FITJER, L., MAJEWSKI, M., KANSCHIK, A.

Journal:

Year:

1988

File:

PDF, 96 KB

1988

97

ChemInform Abstract: Sterically Crowded Cyclohexanes. Part 6. Conformational Isomerism in a Fully Substituted Cyclohexane.

WEHLE, D., FITJER, L.

Journal:

Year:

1987

File:

PDF, 120 KB

1987

98

ChemInform Abstract: Preparative-Scale Syntheses of Bicyclobutylidene, Methylenecyclobutane and Cyclobutanone.

FITJER, L., QUABECK, U.

Journal:

Year:

1987

File:

PDF, 119 KB

1987

99

ChemInform Abstract: Sterically Crowded Cyclohexanes. Part 8. Synthesis, Crystal Structure, Conformation and Dynamics of Pentaspiro(2.0.2.0.2.0.2.0.2.1)hexadecane, Pentaspiro(3.0.2.0.3.0.2.0.3.1)nonadecane and Pentaspiro(3.0.3.0.3.0.3.0.3.1)heneicosane.

FITJER, L., KLAGES, U., WEHLE, D., GIERSIG, M., SCHORMANN, N., CLEGG, W., STEPHENSON, D. S., BINSCH, G.

Journal:

Year:

1988

File:

PDF, 114 KB

1988

100

ChemInform Abstract: Sterically Crowded Cyclohexanes. Part 7. Synthesis, Crystal Structure, Conformation and Dynamics of Hexaspiro(2.0.3.0.2.0.3.0.3.0.3.0)docosane and Hexaspiro(2.0.3.0.3.0.3.0.3.0.3.0)tricosane.

FITJER, L., GIERSIG, M., WEHLE, D., DITTMER, M., KOLTERMANN, G.-W., SCHORMANN, N., EGERT, E.

Journal:

Year:

1988

File:

PDF, 193 KB

1988