✦ LIBER ✦

Synthese von 2,3-Dihydro-7-methyl-1H-pyrrolizin-1-on, dem Sexualpheromon Danaidon

✍ Scribed by Röder, Erhard ;Wiedenfeld, Helmut ;Bourauel, Thomas

Publisher: John Wiley and Sons
Year: 1985
Tongue: English
Weight: 163 KB
Volume: 1985
Category: Article
ISSN: 0947-3440
DOI: 10.1002/jlac.198519850817

No coin nor oath required. For personal study only.

✦ Synopsis

Synthesis of 2,3‐Dihydro‐7‐methyl‐1__H__‐pyrrolizin‐1‐one, the Sex Pheromone Danaidone

Danaidone (4) can easily be obtained in high yields from ethyl 3‐methyl‐1__H__‐pyrrole‐2‐carboxylate (1) via Dieckmann reaction of the N‐propanoate derivative 2.

📜 SIMILAR VOLUMES

Synthese von 2,3-Dihydro-1H-pyrrolizin-7

Synthese von 2,3-Dihydro-1H-pyrrolizin-7-carbaldehyd, dem Sexualpheromon Danaidal

✍ Röder, Erhard ;Wiedenfeld, Helmut ;Bourauel, Thomas 📂 Article 📅 1986 🏛 John Wiley and Sons 🌐 English ⚖ 201 KB

## Eingegangen am 25. Marz 1986 Synthesis of 2,3-Dihydro-lH-pyrrolizine-7-carbaldehyde, the Sex Pheromone Danaidal Danaidal (4) can easily be obtained in high yields from ethyl 2,3,5,6-tetrahydro-1 H-pyrrolizine-7-carboxylate (1) via sulphur dehydrogenation or Mn02 oxidation, subsequent reduction

Antiphlogistische 2.3-Dihydro-1H-pyrroli

Antiphlogistische 2.3-Dihydro-1H-pyrrolizine, 6. Mitt. Natriummetaperiodat-Oxidation von 6.7-Diphenyl-2.3-dihydro-1H-pyrrolizin

✍ Gerd Dannhardt; Ludwig Steindl 📂 Article 📅 1985 🏛 John Wiley and Sons 🌐 English ⚖ 152 KB 👁 1 views

Antiphlogistische 2.3-Dihydro-1H-pyrroli

Antiphlogistische 2.3-Dihydro-1H-pyrrolizine, 5. Mitt. Synthese von 3-(6.7-Diphenyl-2.3-dihydro-1H-pyrrolizin-5-yl)-propionsäure

✍ Gerd Dannhardt; Ludwig Steindl 📂 Article 📅 1986 🏛 John Wiley and Sons 🌐 English ⚖ 208 KB 👁 1 views

Antiphlogistische 2.3-Dihydro-1H-pyrroli

Antiphlogistische 2.3-Dihydro-1H-pyrrolizine, 9. Mitt.1). Synthese und Oxidation von 6.7-Diphenyl-2.3-dihydro-1H-pyrrolizin-5-yl-acetaldehyd (DADHP-5-acetaldehyd)

✍ Gerd Dannhardt; Ludwig Steindl 📂 Article 📅 1986 🏛 John Wiley and Sons 🌐 English ⚖ 314 KB 👁 1 views

Antiphlogistische 2.3-Dihydro-1H-pyrroli

Antiphlogistische 2.3-Dihydro-1H-pyrrolizine, 3. Mitt. Aminomethylierung und Arylthiolierung von 6.7-Diaryl-2.3-dihydro-1H-pyrrolizinen

✍ Gerd Dannhardt; Ludwig Steindl 📂 Article 📅 1986 🏛 John Wiley and Sons 🌐 English ⚖ 268 KB 👁 1 views

8400 Regensburg Eingegangen am 20. November 1984 6.7-Diaryl-2.3-dihydro-lH-pyrrolizine (DADHP) werden durch SE-Reaktion cn C-5 zu Aminomethyl-1 und Arylthioderivaten 3 funktionalisiert. Die Pyrrolizinylthioether 3 besitzen starke antiphlogistische Wirksamkeit, die bei den Aminomethylverbindungen nur

Synthesis of 2,3-Dihydro-7-hydroxymethyl

Synthesis of 2,3-Dihydro-7-hydroxymethyl-1H-pyrrolizin-1-one, the Alkaloid Loroquine

✍ Röder, Erhard ;Bartkowski, Jan-Pit Barko ;Bourauel, Thomas 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 344 KB

## Abstract The title compound 4 is synthesized in 8 steps by cyclization of __N__‐tosylglycinate 5 with vinyl ketone 6. After elimination of water and sulfinic acid the pyrrolecarboxylate 9 is obtained which, on __N__‐alkylation with ethyl acrylate, Dieckmann cyclization, saponification and decarb