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51

Die Massenspektren von dreikernigen pflanzlichen Phlorogluciden

M. Lounasmaa, C.-J. Widén, T. Reichstein

Journal:

Helvetica Chimica Acta

Year:

1971

File:

PDF, 465 KB

1971

52

Die Phloroglucide von Dryopteris caucasica (A. Br.) Fraser-Jenkins et Corley

C.-J. Widén, C. R. Fraser-Jenkins, M. Lounasmaa, J. v. Euw, T. Reichstein

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 471 KB

1973

53

Massenspektren neuer Phloroglucide, insbesondere solcher mit Valerylseitenketten

M. Lounasmaa, C.-J. Widén, T. Reichstein

Journal:

Helvetica Chimica Acta

Year:

1973

File:

PDF, 510 KB

1973

54

Die phloroglucide von neun dryopteris-arten aus kenya sowie der d. oligodonta (desv.) pic.-serm. und d. “dilatata” von den canarischen inseln

C.-J. Widén, R. B. Faden, M. Lounasmaa, G. Vida, J. V. Euw, T. Reichstein

Journal:

Helvetica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 1.68 MB

english, 1973

55

Die Phloroglucide von drei Dryopteris-Arten von den Azoren sowie zwei Arten von Madeira und den Kanarischen Inseln zum Vergleich

Carl-Johan Widén, Mauri Lounasmaa, Gabor Vida, Tadeus Reichstein

Journal:

Helvetica Chimica Acta

Year:

1975

Language:

english

File:

PDF, 2.76 MB

english, 1975

56

Die Phloroglucide von zwei Farnhybriden aus England und Schottland, von authentischem «Aspidium remotum» A. BRAUN und von Dryopteris aemula (AITON) O. KUNTZE aus Irland

Carl-Johan Widén, Mauri Lounasmaa, A. Clive Jermy, Josef V. Euw, Tadeus Reichstein

Journal:

Helvetica Chimica Acta

Year:

1976

Language:

english

File:

PDF, 1.30 MB

english, 1976

57

NMR Studies of Alkaloids. Assignment of the Configuration at C(20) in Tubotaiwine (Dihydrocondylocarpine)

Mauri Lounasmaa, Ari Koskinen, John O'Connell

Journal:

Helvetica Chimica Acta

Year:

1986

Language:

english

File:

PDF, 285 KB

english, 1986

58

Aldehyde Intermediates in the Synthesis of Tacamine-Type Indole Alkaloids: Preparation of (±)-apotacamine

Arto Tolvanen, David Din Belle, Mauri Lounasmaa

Journal:

Helvetica Chimica Acta

Year:

1994

Language:

english

File:

PDF, 394 KB

english, 1994

59

Total Synthesis of (±)-20-epiapotacamine and its conversion into (±)-apotacamine by the Polonovski-Potier reaction

Mauri Lounasmaa, David Din Belle, Arto Tolvanen

Journal:

European Journal of Organic Chemistry

Year:

1995

Language:

english

File:

PDF, 277 KB

english, 1995

60

Carbon-13 spin–lattice relaxation of tropane alkaloids. II—models for isotropic, axially symmetric and fully anisotropic overall rotational diffusion with diffusional or three-state jump internal motion, and their application to the N-methyl groups of tropine and pseudotropine

Raimo Uusvuori, Mauri Lounasmaa

Journal:

Magnetic Resonance in Chemistry

Year:

1986

Language:

english

File:

PDF, 2.85 MB

english, 1986

61

Carbon-13 spin–lattice relaxation of tropane alkaloids. Anisotropic rotational motion of tropine and pseudotropine

Raimo Uusvuori, Mauri Lounasmaa

Journal:

Magnetic Resonance in Chemistry

Year:

1984

Language:

english

File:

PDF, 1.05 MB

english, 1984

62

A He3/He4 dilution refrigerator for Mössbauer experiments at very low temperatures

G.J. Ehnholm, T.E. Katila, O.V. Lounasmaa, P. Reivari

Journal:

Year:

1968

Language:

english

File:

PDF, 756 KB

english, 1968

63

Nuclear refrigeration of copper

P.M. Berglund, G.J. Ehnholm, R.G. Gylling, O.V. Lounasmaa, R.P. Søvik

Journal:

Year:

1972

Language:

english

File:

PDF, 300 KB

english, 1972

64

International collaboration among LT physicists

Journal:

Year:

1973

Language:

english

File:

PDF, 59 KB

english, 1973

65

Low temperature education and research in China

Journal:

Year:

1974

Language:

english

File:

PDF, 843 KB

english, 1974

66

Nuclear refrigeration of liquid He3

A.I. Ahonen, P.M. Berglund, M.T. Haikala, M. Kruisius, O.V. Lounasmaa, M.A. Paalanen

Journal:

Year:

1976

Language:

english

File:

PDF, 1.20 MB

english, 1976

67

Worldwide cryogenics — Finland Low temperature laboratory at Helsinki University of Technology

Journal:

Year:

1982

Language:

english

File:

PDF, 3.98 MB

english, 1982

68

11th International Cryogenic Engineering Conference (ICEC 11): Berlin-West, Germany, 22–25 April 1986

W. Baldus, A.F. Clark, H.M. Gijsman, H. Jones, P. Kittel, G. Klipping, O.V. Lounasmaa, C. Rizzuto, R.G. Scurlock, S.W. Van Sciver

Journal:

Year:

1986

Language:

english

File:

PDF, 313 KB

english, 1986

69

Nuclear spin-lattice relaxation of the Zeeman and the spin-spin systems in copper between 1 and 17 mK

M.I. Aalto, P.M. Berglund, H.K. Collan, G.J. Ehnholm, R.G. Gylling, O.V. Lounasmaa

Journal:

Year:

1972

Language:

english

File:

PDF, 359 KB

english, 1972

70

Benzyl-2 tropanes et γ-pyranotropanes, alcaloïdes de Knightia strobilina

Mauri Lounasmaa, Jacques Pusset, Thierry Sévenet

Journal:

Year:

1980

File:

PDF, 324 KB

1980

71

Feeding experiments using suspension cultures of Atropa belladonna; limiting steps in the biosynthesis of tropane alkaloids

Liisa Kaarina Simola, Riitta Parviainen, Aarne Martinsen, Aarre Huhtikangas, Reija Jokelat, Mauri Lounasmaa

Journal:

Year:

1990

Language:

english

File:

PDF, 633 KB

english, 1990

72

Synthetic studies in the alkaloid field—IV: The sodium dithionite reduction of 1-[2-(3-indolyl)-ethyl]-3-methoxycarbonyl pyridinium bromides

Mauri Lounasmaa, Carl-Johan Johansson

Journal:

Year:

1977

Language:

english

File:

PDF, 642 KB

english, 1977

73

Synthetic studies in the alkaloid field—V: Determination of the stereochemistry of several l,2,3,4,6,7,12,12b-octahydro-3-methoxycarbonylindolo-[2,3-a]quinolizine derivatives by 13C NMR spectral analysis

Mauri Lounasmaa, Mervi Hämailä

Journal:

Year:

1978

File:

PDF, 470 KB

1978

74

Synthetic studies in the alkaloid field—VII: Stereochemistry of 1,2,3,4,6,7,12,12b-octahydroindolo [2,3-a]quinolizine derivatives prepared by alkaline decarboalkoxylative cyclization or acid-induced cyclization of appropriate tetrahydropyridines

Mauri Lounasmaa, Reija Jokela

Journal:

Year:

1978

Language:

english

File:

PDF, 416 KB

english, 1978

75

Synthetic studies in the alkaloid field—X: Preparation and stereostructure determination of several indolo [2,3-a]quinolizine derivatives

Mauri Lounasmaa, Heikki Merikallio, Maire Puhakka

Journal:

Year:

1978

Language:

english

File:

PDF, 519 KB

english, 1978

76

Synthetic studies in the alkaloid field-IX: Stereospecific total synthesis of (±)-19,20-dihydro-20-desformyl-20-methoxycarbonyl-vallesiachotamine and its 20-desethyl analogue

Mauri Lounasmaa, Pirkko Juutinen, Pekka Kairisalo

Journal:

Year:

1978

Language:

english

File:

PDF, 380 KB

english, 1978

77

The synthesis of bis-indole alkaloids and their derivatives

Mauri Lounasmaa, András Nemes

Journal:

Year:

1982

Language:

english

File:

PDF, 1.32 MB

english, 1982

78

Easy functiohalination of C(17) in the desethylebunnamonine series

Reija Jokela, Mauri Lounasmaa

Journal:

Year:

1989

Language:

english

File:

PDF, 307 KB

english, 1989

79

Claisen orthoester rearrangement in the direct preparation of Z-isositsirikine and Z-geissoschizine derivatives possessing the right oxidation state at C-17

Mauri Lounasmaa, Pirjo Hanhinen, Reija Jokela

Journal:

Year:

1995

Language:

english

File:

PDF, 1.54 MB

english, 1995

80

Preparation and determination of stereochemical properties of epimeric z-geissoschizine and 19,20-dihydrogeissoschizine acetals

Mauri Lounasmaa, Reija Jokela, Maria Back, Pirjo Hanhinen, Christiane Laine

Journal:

Year:

1995

Language:

english

File:

PDF, 589 KB

english, 1995

81

Total syntheses of tacamine-type indole alkaloids of Tabernaemontana eglandulosa

David Din Belle, Arto Tolvanen, Mauri Lounasmaa

Journal:

Year:

1996

Language:

english

File:

PDF, 909 KB

english, 1996

82

Total synthesis of the indole alkaloid (±)-tacamine

Mauri Lounasmaa, David Din Belle, Arto Tolvanen

Journal:

Tetrahedron Letters

Year:

1994

Language:

english

File:

PDF, 255 KB

english, 1994

83

Total synthesis of the indole alkaloid (±)-tacamonine

Mauri Lounasmaa, David Din Belle, Arto Tolvanen

Journal:

Tetrahedron Letters

Year:

1995

Language:

english

File:

PDF, 154 KB

english, 1995

84

Short, stereospecific total synthesis of (±)-corynantheidine

Maun Lounasmaa, Reija Jokela, Christiane Laine, Pirjo Hanhinen

Journal:

Tetrahedron Letters

Year:

1995

Language:

english

File:

PDF, 132 KB

english, 1995

85

Syntheses of (±)-17α- and (±)-17β-hydroxytacamonine; determination of configuration at C-17

David Din Belle, Arto Tolvanen, Mauri Lounasmaa

Journal:

Tetrahedron Letters

Year:

1995

Language:

english

File:

PDF, 120 KB

english, 1995

86

Stereoselective synthesis of methyl 3α-ethyl-1,2,3,4,6,7,12,12bβ-octahydroindolo[2,3-a]quinolizine-1α-carboxylate: A key intermediate for the preparation of tacamine-type indole alkaloids

Mauri Lounasmaa, Kimmo Karinen, David Din Belle, Arto Tolvanen

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 264 KB

english, 1996

87

On the 16°K anomaly in europium metal

O.V. Lounasmaa, G.M. Kalvius

Journal:

Physics Letters A

Year:

1967

Language:

english

File:

PDF, 141 KB

english, 1967

88

Mössbauer experiments with 57Fe between 1 and 0.08°K

G.J. Ehnholm, T.E. Katila, O.V. Lounasmaa, P. Reivari

Journal:

Physics Letters A

Year:

1967

Language:

english

File:

PDF, 119 KB

english, 1967

89

Polarisation dynamique nucléaire par l'intermédiaire de noyaux situés a l'intérieur de la barrière de diffusion

J.F Jacquinot, O.V Lounasmaa, C Urbina

Journal:

Year:

1978

File:

PDF, 391 KB

1978

90

Spontaneous nuclear ordering in copper at Nanokelvin temperatures?

Journal:

Year:

1982

Language:

english

File:

PDF, 42 KB

english, 1982

91

Spontaneous nuclear ordering in copper at nanokelvin temperatures?

Journal:

Year:

1982

Language:

english

File:

PDF, 62 KB

english, 1982

92

Adiabatic nuclear demagnetization: Two sophisticated experiments

Journal:

Year:

1984

Language:

english

File:

PDF, 646 KB

english, 1984

93

Vortices in rotating superfluid 3He

Pertti Hakonen, Olli V. Lounasmaa, Juha Simola

Journal:

Physica B: Condensed Matter

Year:

1989

Language:

english

File:

PDF, 5.08 MB

english, 1989

94

Gap anisotropy, vortex cluster, and nucleation of vortices in rotating 3He-B

Y. Kondo, J.S. Korhonen, Ü. Parts, M. Krusius, O.V. Lounasmaa, A.D. Gongadze

Journal:

Physica B: Condensed Matter

Year:

1992

Language:

english

File:

PDF, 951 KB

english, 1992

95

Experimental investigation of two-phonon absorption by the real squashing mode in superfluid 3He-B

J.P. Pekola, K. Torizuka, A.J. Manninen, H. Alles, O.V. Lounasmaa

Journal:

Physica B: Condensed Matter

Year:

1992

Language:

english

File:

PDF, 424 KB

english, 1992

96

The phase diagram and the magnetic structure of nuclear spins in elemental copper below 60 nK

K. Siemensmeyer, M. Steiner, H. Weinfurther, K.N. Clausen, P.A. Lindgård, A.J. Annila, O.V. Lounasmaa, A.S. Oja, J.T. Tuoriniemi

Journal:

Physica B: Condensed Matter

Year:

1992

Language:

english

File:

PDF, 213 KB

english, 1992

97

Negative nanokelvin temperatures in the nuclear spin systems of silver and rhodium metals

Olli V. Lounasmaa, Pertti Hakonen, Kaj Nummila, Reko Vuorinen, Juha Martikainen

Journal:

Physica B: Condensed Matter

Year:

1994

Language:

english

File:

PDF, 184 KB

english, 1994

98

Optical observations on3He-B superfluid

J.P.O. Ruutu, H. Alles, A.V. Babkin, G.M. Kira, A.J. Manninen, J.P. Pekola, O.V. Lounasmaa

Journal:

Physica B: Condensed Matter

Year:

1994

Language:

english

File:

PDF, 650 KB

english, 1994

99

The specific heat at constant volume,the entropy, the internal energy, and the free energy of liquid helium-4 between 1·2 and 2·9°K

Journal:

Year:

1961

Language:

english

File:

PDF, 1.01 MB

english, 1961

100

Determination of Catharanthus alkaloids by reversed-phase high-performance liquid chromatography

Toivo Naaranlahti, Mervi Nordström, Aarre Huhtikangas, Mauri Lounasmaa

Journal:

Journal of Chromatography A

Year:

1987

Language:

english

File:

PDF, 313 KB

english, 1987