Author

Minna Halonen

Observed name: M. HALONEN

Observed institution: University of Helsinki

OpenAlex ID: A5111650939

Syntheses of (±)-Z-Geissoschizol, (±)-3-epi-Z-Geissoschizol, (±)-Corynantheidol, (±)-Dihydrocorynantheol, (±)-3-epi-Dihydrocorynantheol and the Corresponding Corynan-17-oic Acid Methyl Esters

1992 · Mauri Lounasmaa, Reija Jokela, et al. · Heterocycles · 30

New, Short Synthesis of (±)-Geissoschizine

1992 · Mauri Lounasmaa, Reija Jokela, et al. · Heterocycles · 13

Cleavage of the C-20 Ethylidene Side-Chain of Deformyl-Z- and Deformyl-E-geissoschizine Derivatives Utilizing the Modified Polonovski Reaction

1993 · Mauri Lounasmaa, Reija Jokela, et al. · Heterocycles · 7

Synthesis of Na-Boc-5b-cyano-defornyl-E-geissoschizine: A Potential Synthon in the Preparation of Sarpagan and Ajmalan Ring Systems

1994 · Mauri Lounasmaa, Reija Jokela, et al. · Heterocycles · 5

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

1993 · Reija Jokela, Minna Halonen, et al. · Tetrahedron · 5

Transformation of Na-Boc-tetrahydroalstonine to Na-Boc-5b-cyanotetrahydroalstonine, Na-Boc-21a-cyanotetrahydroalstonine, and Na-Boc-3,14-didehydrotetrahydroalstonine

1995 · Mauri Lounasmaa, Minna Halonen, et al. · Heterocycles · 4

Total Synthesis of Na,O-Di-Boc-5b-cyano-Z-geissoschizine and Na-Boc-21a-Cyanotetrahydroalstonine, the Latter a Synthetic Equivalent of Na-Boc-Cathenamine

1995 · Mauri Lounasmaa, Minna Halonen, et al. · Heterocycles · 3

Short, Stereoselective Synthesis of Na-Boc-5b-cyanodeformyl-Z-geissoschizine, a Prototype of Potential Synthons in the Preparation of Sarpagan and Ajmalan Ring System

1993 · Mauri Lounasmaa, Reija Jokela, et al. · Heterocycles · 1

ChemInform Abstract: Synthesis of Na‐Boc‐5β‐Cyanodeformyl‐E‐geissoschizine: A Potential Synthon in the Preparation of Sarpagan and Ajmalan Ring Systems.

1994 · R. JOKELA, M. HALONEN, et al. · ChemInform

ChemInform Abstract: Cleavage of the C‐20 Ethylidene Side‐Chain of Deformyl‐Z‐ and Deformyl‐ E‐geissoschizine Derivatives Utilizing the Modified Polonovski Reaction.

1994 · M. LOUNASMAA, R. JOKELA, et al. · ChemInform

ChemInform Abstract: Predominant Conformations of Na‐Boc‐deformyl‐Z‐ and Na‐Boc‐deformyl‐E‐ geissoschizine, the Latter a Possible Synthetic Intermediate in the Preparation of Sarpagan and Ajmalan Ring Systems.

1993 · R. JOKELA, M. HALONEN, et al. · ChemInform

Works count: 11

Citation count: 68

H-index: 5

I10-index: 2