Sur une synthèse d'aldéhydes et de l'indol
✍ Scribed by Weerman, R. A.
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 2010
- Weight
- 113 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0370-7539
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📜 SIMILAR VOLUMES
## Abstract β‐Hexynal and some of its derivatives have been prepared.
The authors describe a new general synthesis of cis-,ðylene aldehydes : the alkylation of 1-methoxy-1-buten-3-yne to 1-methoxy-1-alken-3-ynes followed by addition of methanol produces l,l-dimethoxy-3-alkynes. The catalytical reduction of these compounds to l,l-dimethoxy-3-alkenes followed by mild
a) achtmal umkristallisiert und 5 Tage getrocknet; b) das gleiche PrLparat noch weitere 7 Tage getrocknet; c) neunmal umkristallisiert und 7 Tage getrocknet. 3,606 (a); 4,433 (b); 3,686 (c) mg Subst. gaben 6,940 (a); 8,577 (b); 7,129 (c) mg CO, und 2,227 (a); 2,734 (b); 2,277 (c) mg H,O C,,H,O,Br, B