๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

A new method for the preparation of alkynes from vinyl triflates

โœ Scribed by Kay M. Brummond; Kirsten Dilzer Gesenberg; Joseph L. Kent; Angela D. Kerekes

Publisher
Elsevier Science
Year
1998
Tongue
French
Weight
205 KB
Volume
39
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

โœฆ Synopsis

Treatment of vinyl triflates with lithium diisopropylamide results in the selective formation of alkynes in moderate to high yields.

๐Ÿ“œ SIMILAR VOLUMES

New method for the preparation of t-buty
New method for the preparation of t-butyldimethylsilyl triflate
โœ Paul F. Hudrlik; Ashok K. Kulkarni ๐Ÿ“‚ Article ๐Ÿ“… 1985 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 120 KB

t-Butyldimethylsilyl triflate is easily prepared from the reaction of triflic acid with isopropenyltrimethylsilane.

Reagents and synthetic methods 55. New m
Reagents and synthetic methods 55. New methods for the preparation of t-butyldimethylsilyl triflate and trimethylsilyl triflate.
โœ Jesus M. Aizpurua; Claudio Palomo ๐Ÿ“‚ Article ๐Ÿ“… 1985 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 182 KB

An expeditious synthesis of t-butyldimethylsilyl triflate is described from triflic acid and t-butyldimethylsilane. Reaction between trichloromethyltrimethylsilane and triflic acid is also reported.

The first direct coupling of 1-trialkyls
The first direct coupling of 1-trialkylsilyl-1-alkynes with vinyl triflates; a new access to enynes
โœ Ulla Halbes; Philippe Bertus; Patrick Pale ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 61 KB

1-Trialkylsilyl-1-alkynes can be directly coupled with vinyl triflates in the presence of TBAF, 3H 2 O and a catalytic amount of AgI and Pd(PPh 3 ) 4 . Functionalized enynes can thus be obtained in good to excellent yields without prior deprotection of the alkyne.