๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

A new synthesis of a hydroazulenone

โœ Scribed by P. Geetha; K. Narasimhan; S. Swaminathan

Publisher
Elsevier Science
Year
1979
Tongue
French
Weight
184 KB
Volume
20
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

โœฆ Synopsis

In recent years several approaches to hydroazulenes involving efficient and ingenious synthetic designs have been developed. 1 We report here a new route to 6-methyl-bicyclo(5,3,O)-deca-l,6-dien-3-one (4).2 Treatment of the bicyclic enedione (1) with dimethyloxosulfoniu methylide (DMSM)3 in dimet%l sulfoxide at 25.C followed by heating at 60.C gave a mixture of products.

๐Ÿ“œ SIMILAR VOLUMES

A direct synthesis of hydroazulenones
A direct synthesis of hydroazulenones
โœ P.T. Lansbury; P.M. Wovkulich; P.E. Gallagher ๐Ÿ“‚ Article ๐Ÿ“… 1973 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 101 KB

Re-erved in USl If, November 1972 ; recrived in ulc for publication 4 l!ecember 1972) Of the various possible synthetic approaches to sesquiterpenes of the hydroazulene varrety', solvolytic skeletal rearrangement of decalyl 2,3 and bicyclo-(4,3,l)decanyll tosylates has received the greatest amount

The synthesis of a tricyclic hydroazulen
The synthesis of a tricyclic hydroazulenone from exo-epoxygermacrene-Din connection with periplanone A
โœ Yoshikazu Shizuri; Shu Yamaguchi; Shosuke Yamamura; Makoto Ishihara; Shigeru Ohb ๐Ÿ“‚ Article ๐Ÿ“… 1987 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 269 KB

In connection with periplanone A, acid-catalyzed reaction of germacrene-D epoxide has been carried out using A1C13 in ether to afford a hydroazulene which has been further transformed into one of the hydroazulenones proposed to be periplanone A. TWO sex pheromones of the American cockroach Periplane

Remarkable stereoselectivity in the alky
Remarkable stereoselectivity in the alkylation of a hydroazulenone: progress towards the total synthesis of guanacastepene
โœ Gregory B Dudley; Derek S Tan; Guncheol Kim; Joseph M Tanski; Samuel J Danishefs ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 68 KB

exo-Methylene ketone 6 serves as a vehicle for elaboration of the C8 quaternary center en route to guanacastepene via a conjugate addition-alkylation sequence. Methylation of the cycloheptadienolate derived from 7 is highly selective for the desired relative stereochemistry, as determined by NMR and

A new synthesis of hypoglycin a
A new synthesis of hypoglycin a
โœ D.K. Black; S.R. Landor ๐Ÿ“‚ Article ๐Ÿ“… 1963 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 120 KB

Hypoglycin A, (III), a new aminoacid with marked hypoglycasmic properties was isolsted by Hassal' from unripe ackee fruit (Blighia sapida) and subsequently synthesised in six stages from 2-bromo-propene by Carbon, Martin and Svett2. In our three stage synthesis l-bromo--buta-2,3-diene3 was condensed