All articles by Tapio Hase

20 articles

Articles in volume 17 (1963)

A Reductive Methylation of Quinones.

Gripenberg, Jarl; Hase, Tapio

Pages: 2250-2252.

DOI number: 10.3891/acta.chem.scand.17-2250
Download as: PDF DjVu

Articles in volume 18 (1964)

Oxidation of Heterocyclic Tertiary Bases by Quinones.

Hase, Tapio

Pages: 1806-1808.

DOI number: 10.3891/acta.chem.scand.18-1806
Download as: PDF DjVu

Articles in volume 20 (1966)

The Ring Opening of Aromatic O-Heterocycles by Sodium in Pyridine.

Gripenberg, Jarl; Hase, Tapio

Pages: 1561-1570.

DOI number: 10.3891/acta.chem.scand.20-1561
Download as: PDF DjVu

Articles in volume 22 (1968)

The Reduction of 2'-Hydroxychalcone by Complex Metal Hydrides.

Hase, Tapio

Pages: 2845-2850.

DOI number: 10.3891/acta.chem.scand.22-2845
Download as: PDF DjVu

Articles in volume 23 (1969)

Reduction of Chalcones by Complex Metal Hydrides. II. 4- and 4'-Methoxychalcone with Lithium Aluminium Hydride-Aluminium Chloride.

Hase, Tapio

Pages: 2403-2408.

DOI number: 10.3891/acta.chem.scand.23-2403
Download as: PDF DjVu

Reduction of Chalcones by Complex Metal Hydrides. III. Chalcone and Chain-deuterated Chalcones with Lithium Aluminium Hydride-Aluminium Chloride.

Hase, Tapio

Pages: 2409-2413.

DOI number: 10.3891/acta.chem.scand.23-2409
Download as: PDF DjVu

Articles in volume 24 (1970)

The Dehydration of Triterpenoid Ring A epsilon-Lactams.

Hase, Tapio

Pages: 364-365.

DOI number: 10.3891/acta.chem.scand.24-0364
Download as: PDF DjVu

An Improved Method for the Preparation of 1-Deuterated Aldehydes.

Hase, Tapio

Pages: 2263-2264.

DOI number: 10.3891/acta.chem.scand.24-2263
Download as: PDF DjVu

Articles in volume 25 (1971)

The Stereochemistry at C-17 of Baccharis Oxide. The Synthesis of Baccharan-3beta-ol and Baccharan-3-one.

Suokas, Elias; Hase, Tapio

Pages: 2359-2360.

DOI number: 10.3891/acta.chem.scand.25-2359
Download as: PDF DjVu

Articles in volume 26 (1972)

The Reaction of 1,3-Diphenyl-l-propanone with Ethanol.

Hase, Tapio

Pages: 693-696.

DOI number: 10.3891/acta.chem.scand.26-0693
Download as: PDF DjVu

Articles in volume 28b (1974)

Triterpenes. The Synthesis of Novel 18betaH,19beta-Substituted Lupane Derivatives.

Suokas, Elias; Hase, Tapio

Pages: 793-796.

DOI number: 10.3891/acta.chem.scand.28b-0793
Download as: PDF DjVu

Articles in volume 29b (1975)

Triterpenes. A Novel Acid Catalysed Double Bond Migration in 3beta,28-Diacetoxy-lup-20(30)-ene (Betulin Diacetate).

Suokas, Elias; Hase, Tapio

Pages: 139-140.

DOI number: 10.3891/acta.chem.scand.29b-0139
Download as: PDF DjVu

Articles in volume 31b (1977)

Triterpenes. p-Toluenesulfonic Acid Catalysed Rearrangement of 18alpha,19alpha and 18beta,19beta Isomers of 3beta,28-Diacetoxy-epoxylupane.

Suokas, Elias; Hase, Tapio

Pages: 182-184.

DOI number: 10.3891/acta.chem.scand.31b-0182
Download as: PDF DjVu

Triterpenes. BF3 Catalysed Rearrangement of 3beta,28-Diacetoxy-18(alpha or beta),19(alpha or beta)-epoxylupane. A Novel Route to Baccharane Derivatives.

Suokas, Elias; Hase, Tapio

Pages: 231-234.

DOI number: 10.3891/acta.chem.scand.31b-0231
Download as: PDF DjVu

Triterpenes. The HBr Catalysed Rearrangement of Lupenyl Acetate and Stereochemistry of the Epoxidation of the Products.

Suokas, Elias; Hase, Tapio

Pages: 633-635.

DOI number: 10.3891/acta.chem.scand.31b-0633
Download as: PDF DjVu

Articles in volume 32b (1978)

Anomalous Jones Oxidation of Cyclic Hemiacetals. A Method for the Ring Contraction of Polycyclic delta-Lactones into gamma-Lactones.

Uusvuori, Raimo; Hase, Tapio; Suokas, Elias

Pages: 531-535.

DOI number: 10.3891/acta.chem.scand.32b-0531
Download as: PDF DjVu

Dry Ozonation of 3beta,28-Diacetoxylupane. A Comment on the Structure of a Pentacyclic Triterpenoid Lactone from Dillenia indica (Linn.).

Suokas, Elias; Hase, Tapio

Pages: 623-624.

DOI number: 10.3891/acta.chem.scand.32b-0623
Download as: PDF DjVu

Articles in volume 49 (1995)

Synthesis and Structure of an Intramolecularly Hydrogen-Bonded 2-Phenyl-1-phenylthio-1-(2-tetrahydropyranylthio)propan-2-ol Diastereomer.

Kansikas, Jarno; Leskelä, Markku; Sipilä, Kaija; Hase, Tapio

Pages: 809-812.

DOI number: 10.3891/acta.chem.scand.49-0809
Download as: PDF DjVu

Articles in volume 50 (1996)

Synthesis and Crystal Structure of Intramolecularly Hydrogen-Bonded 1-Phenyl-2-phenylthio-2-(tetrahydropyran-2-ylthio)ethanol.

Kansikas, Jarno; Sipilä, Kaija; Hase, Tapio

Pages: 1147-1152.

DOI number: 10.3891/acta.chem.scand.50-1147
Download as: PDF DjVu

Articles in volume 53 (1999)

Synthesis of Sterically Hindered Long-Chain Alkenols via Organolithium Compounds.

Helaja, T. Tuulamari; Löfgren, Barbro; Hase, Tapio

Pages: 352-355.

DOI number: 10.3891/acta.chem.scand.53-0352
Download as: PDF DjVu