The reaction between dialkyl acetylenedicarboxylates and NH heterocyclic compounds in the presence of triethyl phosphite leads to stable phosphorus ylide derivatives in good yields. The X-ray crystallographic data and theoretical study show that there is a resonance between two bonds of C 19 P 1 and
ChemInform Abstract: X-Ray Structural Analysis and Theoretical Studies of New Phosphite-Derived Ylides.
β Scribed by Mohsen Rostamizadeh; Malek Taher Maghsoodlou; Sayyed Mostafa Habibi-Khorassani; Nourallah Hazeri; Faramarz Rostami Charati; Mohammad Amin Kazemian; Brian W. Skelton; Mohamed Makha
- Publisher
- John Wiley and Sons
- Year
- 2012
- Weight
- 24 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0931-7597
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β¦ Synopsis
Abstract
The reaction between electronβdeficient acetylenedicarboxylates (I), triethyl phosphite (II), and NβH heterocycles (III) provides access to the stable phosphorus ylides (IV) in high yields.
π SIMILAR VOLUMES
## Abstract The reaction between dialkyl acetylenedicarboxylates and NH heterocyclic compounds in the presence of trialkyl phosphite leads to stable phosphorus ylide derivatives in good yields. The xβray crystallographic data and theoretical study show that there is a resonance between two bonds of
Ar = p-tolyl or phenyl), have been C-acylated by acetic anhydride to obtain new types of phosphorus ylides. Synthesis and characterization of six phosphorus ylides of the type Ar 3 PC(COCH 3 )(COR) are reported. The reaction of {(p-tolyl) and {Ph 3 PCHCOOCH 2 C 6 H 5 } (VI) with acetic anhydride in
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