𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Synthesis of 6-carboxy-2,2-dimethylchromans and chromenes

✍ Scribed by V.K. Ahluwalia; R.S. Jolly; A.K. Tehim


Book ID
103398978
Publisher
Elsevier Science
Year
1982
Tongue
French
Weight
561 KB
Volume
38
Category
Article
ISSN
0040-4020

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


The synthesis of some pyrano[2,3-g]chrom
✍ D. N. Nicolaides; K. C. Fylaktakidou; K. E. Litinas; S. G. Adamopoulos πŸ“‚ Article πŸ“… 1998 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 456 KB

The \(o\)-hydroxyformylcoumarin \(5 \mathrm{~b}\), easily prepared from compound 1 , is further transformed to the title coumarin derivatives \(7,10,19 a-c\) via its initial Wittig olefination with ylides \(2 b, 8,18 a-c\) respectively. Coumarins \(16 \mathrm{a}, \mathrm{b}\) were also formed by tre