𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Synthesis of a new 10-membered ring functionalised cyclodiynol related to neocarziostatin chromophore

✍ Scribed by Jean Suffert

Publisher
Elsevier Science
Year
1990
Tongue
French
Weight
292 KB
Volume
31
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

✦ Synopsis

The diyne system 5 is synthesized from 2-bromobenzaldehyde in eight steps through an intramolecular allyldlane-terminated cyclisation .

πŸ“œ SIMILAR VOLUMES

A new route to 10-membered ring analogue
A new route to 10-membered ring analogues of neocarzinostatin chromophore
✍ Thomas Wehlage; Adolf Krebs; Thorsten Link πŸ“‚ Article πŸ“… 1990 πŸ› Elsevier Science 🌐 French βš– 226 KB

l7le synthcse of new I&d& cyc~ne co?npo& neoc&statin chrmwphore 1 by innmnolcculor aihl type cycl~m are described. doted to During the past two years the highly unusual structures of cycloaknediyne antibiotics such as neotxzinostatin chromophore (NCS Chrom),' eqeramicin, za calicheamicin %nddynemici

Reductive cyclisation of allenic ketones
Reductive cyclisation of allenic ketones. A new approach to functionalised five-membered rings.
✍ Gerald Pattenden; Graeme M. Robertson πŸ“‚ Article πŸ“… 1983 πŸ› Elsevier Science 🌐 French βš– 207 KB

Electrolysis of a series of terminal allenic ketones, e.g. ( 4), (61, and ( 13) is shown to result in reductive cyclisation, through the exo-mode, producing five-membered rings, s. (5), (71, and ( 14) incorporating a bridgehead hydroxyl group.

A new method for the synthesis of [3]-cu
A new method for the synthesis of [3]-cumulenes and eneynecumulenes related to neocarzinostatin chromophore
✍ Isao Saito; Kazuhiro Yamaguchi; Ryu Nagata; Eiji Murahashi πŸ“‚ Article πŸ“… 1990 πŸ› Elsevier Science 🌐 French βš– 229 KB

## Summery: A convenient method for the synthesis of [3]-cumulenes based on a Uorner-Emmons type reaction of allenyldiphenylphosphine oxides with aldehydes or ketones has been describ'ed. A facile two-step synthesis of eneynecumulenes has been accomplished by this method. Neocarzinostatin chromoph

A versatile new synthesis of quinolines
A versatile new synthesis of quinolines and related fused pyridines: Part 10. Routes to quinolines with fused azacycles
✍ Roy Hayes; Otto Meth-Cohn πŸ“‚ Article πŸ“… 1982 πŸ› Elsevier Science 🌐 French βš– 145 KB

swrnnary: Three efficient routes to the title systems have been elaborated utilising 2-chloroquinoline-3-aldehyde acetals, 2-chloroquinoline-3ketones or 2-aminoquinoline-3-aldehydes. 2-Chloroquinoline-3-aldehydes (e.g.1: have been rendered readily available as described in earlier papers 2 and have