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1

Simple indole alkaloids and those with a nonrearranged monoterpenoid unit (July 1997 to December 1998)

Lounasmaa, Mauri, Tolvanen, Arto

Journal:

Natural Product Reports

Year:

2000

Language:

english

File:

PDF, 461 KB

english, 2000

2

[The Alkaloids: Chemistry and Pharmacology] Volume 42 || Chapter 1 Eburnamine—Vincamine Alkaloids

Lounasmaa, Mauri

Year:

1992

Language:

english

File:

PDF, 4.38 MB

english, 1992

3

1H NMR Data of Monoterpenoid Indole Alkaloids

Lounasmaa, Mauri, Tolvanen, Arto

Journal:

Year:

1986

Language:

english

File:

PDF, 906 KB

english, 1986

4

Potential cerium precursors for blue colour in thin film electroluminescent devices grown by atomic layer epitaxy

Tuula Leskelä, Kirsi Vasama, Gitte Härkönen, Pertti Sarkio, Mauri Lounasmaa

Journal:

Advanced Functional Materials

Year:

1996

Language:

english

File:

PDF, 468 KB

english, 1996

5

ChemInform Abstract: First Total Synthesis of (19S)-Hydroxytacamine, and Indole Alkaloid from Tabernaemontana eglandulosa, and of Its C-19 Stereoisomer, (19R)-Hydroxytacamine.

Mauri Lounasmaa, David Din Belle, Arto Tolvanen

Journal:

Year:

1999

File:

PDF, 30 KB

1999

6

ChemInform Abstract: Preparation of (.+-.)-Hirsutine and (.+-.)-3-Isocorynantheidine.

Mauri Lounasmaa, Reija Jokela, Christiane Laine, Pirjo Hanhinen

Journal:

Year:

1999

File:

PDF, 33 KB

1999

7

ChemInform Abstract: The Sarpagine Group of Indole Alkaloids

Mauri Lounasmaa, Pirjo Hanhinen, Minna Westersund

Journal:

Year:

1999

File:

PDF, 24 KB

1999

8

ChemInform Abstract: Conformational Study of Geissoschizine Isomers and Their Model Compounds

Mauri Lounasmaa, Pirjo Hanhinen

Journal:

Year:

1999

File:

PDF, 24 KB

1999

9

ChemInform Abstract: Direct Introduction of Nucleophilic Carbanions to the γ-Position of Na-Boc-Protected Nb-Tryptophylpyridinium Salts Without Electron-Withdrawing Substituents at the β-Position.

Pirjo Hanhinen, Tiina Putkonen, Mauri Lounasmaa

Journal:

Year:

1999

File:

PDF, 34 KB

1999

10

ChemInform Abstract: Total Synthesis of (.+-.)-Deethyleburnamonine and Vindeburnol (RU 24722) with the Corresponding Nitriles as Starting Material.

Mauri Lounasmaa, David Din Belle, Arto Tolvanen

Journal:

Year:

1999

File:

PDF, 29 KB

1999

11

ChemInform Abstract: General Strategies in the Preparation of Antirhine-Type Indole Alkaloids.

Pirjo Hanhinen, Tiina Putkonen, Mauri Lounasmaa

Journal:

Year:

1999

File:

PDF, 23 KB

1999

12

ChemInform Abstract: Effect of C-1, C-2, and C-3 Substituents on the Conformational Equilibrium of Indolo[2,3-a]quinolizidines

Mauri Lounasmaa, Pirjo Hanhinen

Journal:

Year:

1999

File:

PDF, 25 KB

1999

13

ChemInform Abstract: Simple Indole Alkaloids and Those with a Nonrearranged Monoterpenoid Unit

Mauri Lounasmaa, Arto Tolvanen

Journal:

Year:

2000

File:

PDF, 24 KB

2000

14

ChemInform Abstract: Interpretation of the Formation of 9 “Artifact Indole Alkaloids” in the Ajmaline/Sarpagine Series

Mauri Lounasmaa, Pirjo Hanhinen

Journal:

Year:

2001

File:

PDF, 25 KB

2001

15

ChemInform Abstract: The Ajmaline Group of Indole Alkaloids

Mauri Lounasmaa, Pirjo Hanhinen

Journal:

Year:

2001

File:

PDF, 24 KB

2001

16

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

17

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

18

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

19

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

20

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

21

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

22

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

23

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

Mauri Lounasmaa, Jacques Pusset, Thierry Sévenet

Journal:

Year:

1980

File:

PDF, 324 KB

1980

24

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

25

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

26

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

27

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

28

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

29

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

30

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

31

Easy functiohalination of C(17) in the desethylebunnamonine series

Reija Jokela, Mauri Lounasmaa

Journal:

Year:

1989

Language:

english

File:

PDF, 307 KB

english, 1989

32

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

33

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

34

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

35

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

36

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

37

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

38

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

39

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

40

Phloroglucinol derivatives of Hagenia abyssinica

Mauri Lounasmaa, Carl-Johan Widén, Aarre Huhtikangas

Journal:

Year:

1973

Language:

english

File:

PDF, 668 KB

english, 1973

41

Synthesis of compounds in the eburnamonine-homoeburnamonine series

Reija Jokela, Esko Karvinen, Arto Tolvanen, Mauri Lounasmaa

Journal:

Year:

1988

Language:

english

File:

PDF, 587 KB

english, 1988

42

Stereochemical course of the alkaline decarboalkoxylative cyclization of C(4)- C(5)- and C(4) ,C(5)-substituted 1-[2-(3-indolyl)ethyl-3-methoxycarbonyl -1,4,5,6-tetrahydropyridines to C(2)- , C(3)- and C(2) ,C(3)-substituted indolo[2,3-aquinolizidines

Mauri Lounasmaa, Reija Jokela, Pirjo Mäkimattila, Birgit Tirkkonen

Journal:

Year:

1990

Language:

english

File:

PDF, 856 KB

english, 1990

43

A 400 mhz 1H NMR study of the eight basic heteroyohimbine alkaloids

Mauri Lounasmaa, Siew-Kwong Kan

Journal:

Year:

1980

Language:

english

File:

PDF, 267 KB

english, 1980

44

Short stereoselective synthesis of dl-alloyohimbane and dl-epialloyohimbane

Mauri Lounasmaa, Reija Jokela

Journal:

Year:

1990

Language:

english

File:

PDF, 251 KB

english, 1990

45

Predominant conformations of Na-boc-deformyl-Z- and Na-boc-deformyl-E-geissochizine, the latter a possible synthetic intermediate in the preparation of sarpagan and ajmalan ring systems

Reija Jokela, Minna Halonen, Lounasmaa Mauri

Journal:

Year:

1993

Language:

english

File:

PDF, 464 KB

english, 1993

46

Stereochemical course of the modified polonovski reaction and mercuric acetate oxidation in the preparation of 2-substituted 1,2,3,4,6,7,12,12b-octahydroindolo[2, 3-a]quinolizines

Mauri Lounasmaa, Esko Karvinen

Journal:

Year:

1991

Language:

english

File:

PDF, 543 KB

english, 1991

47

Novel applications of the modified polonovski reaction-IX : A new route to wenkert's enamine

Mauri Lounasmaa, Esko Karvinen, Ari Koskinen, Reija Jokela

Journal:

Year:

1987

Language:

english

File:

PDF, 832 KB

english, 1987

48

Studies on the synthesis of indole alkaloids of condylocarpine type. C-4 alkylation of the 1-alkyl-3-(hydrazono)-2-piperidone system

Mauri Lounasmaa, Pekka Somersalo

Journal:

Year:

1986

Language:

english

File:

PDF, 687 KB

english, 1986

49

Regiospecific functionalisation of carbon atoms α to heterocyclic nitrogen

Ari Koskinen, Mauri Lounasmaa

Journal:

Year:

1983

Language:

english

File:

PDF, 670 KB

english, 1983

50

Stereoselective synthesis of dl-18,19-dihydroantirhine and dl-3-epi-18,19-dihydroantirhine

Mauri Lounasmaa, Reija Jokela

Journal:

Year:

1989

Language:

english

File:

PDF, 440 KB

english, 1989

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