L'utilisation d'une r&action rEtrodi&.ique photolytique nous ayant permie i d'obtenir la dispiro c2.1.2. l] octanedione-4,8 & via le dimkthyl&nec&&ne 2. nous nous sommes proposks de synthbtiser, dans le cadre de cette sgrie, la dirudthylene-2,4cyclobutanedione-1,3 L , non encore dbcrite. 1715 (C=O)
Reactions retrodieniques - VI Synthese de la N-methylcetenimine et de l'amino-1 methyl-2 propene-1 par reaction de retro-diels-alder.
✍ Scribed by Jean-Louis Ripoll; Hervé Lebrun; André Thuillier
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- French
- Weight
- 124 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Rdswd -Noun rapportow Los rhultats ooncwrnant kr rdactiona d\* DiwL\*-Alder l t da 1 h-mlthylthio-acrylat\* da mAtkyle aveo d\*w di)n\*\* eimpl\*s. Lo\* da&ion8 Uumkquae wn catalysl\*s aat trbs efficac\*\* et \*\* pnnG\*ont av\*c k\* dihu\* alycliqus do fqon st/r&oa/kotiw pour conduirc mjoritai
The two compounds were labelled by ^14^C on the hydroxyimino methyl group substituted on the 2 positions of the pyridinium ring. The convenient pyridinium lithiated intermediates were formylated with N‐methyl ^14^C‐formanilide. The hydroxyimino methyl groups were synthezised by reaction of the ^14^