4-Hydroxycoumarin (1) reacted with Wittig reagents (2) to give 4-benzoylmethylcoumarin (5A) or [3-(4-hydroxycoumarinyl)]carbonylmethylenetriphenylphosphorane (6) depending upon the nature of the phosphorus ylide used. Dialkyl phosphonates (3a,b) and trialkyl phosphites (4a,b) converted 1 into the re
โฆ LIBER โฆ
Organophosphorus chemistry. 13 [1]. The Behaviour of 3-Aryliminoxindoles toward Alkyl Phosphites
โ Scribed by Prof. Dr. Wafaa M. Abdou; Naglaa M. Abd El-Rahman; Mohamed R. H. Mahran
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 354 KB
- Volume
- 331
- Category
- Article
- ISSN
- 1615-4150
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
Organophosphorus chemistry 30 [1]. The b
โ
Neven A. Ganoub; Mohamed R. H. Mahran
๐
Article
๐
1998
๐
John Wiley and Sons
๐
English
โ 169 KB
๐ 1 views
ChemInform Abstract: Organophosphorus Ch
โ
N. A. GANOUB; M. R. H. MAHRAN
๐
Article
๐
2010
๐
John Wiley and Sons
โ 34 KB
๐ 1 views
The Behavior of 3,3-Diphenylindan-1,2-di
โ
Fayez H. Osman; Fatma A. El-Samahy
๐
Article
๐
2007
๐
Springer Vienna
๐
English
โ 229 KB
Organophosphorus chemistry 23 [1], the r
โ
Mohamed R. Mahran; Wafaa M. Abdou; Naglaa M. AbdEl-Rahman; Maha D. Khidre
๐
Article
๐
1992
๐
John Wiley and Sons
๐
English
โ 459 KB
Wittig reagents 2 react with furfiurylidenemalonitrile (la) und thienylidenemalonitrile (Ib) to give a mixture of products (6 and 7). Compound l b reacts with dialkyl phosphites (3) and trialkyl phosphites (4) to give the phosphonate 1:l adducts 9 and 12, respectively. Structures of the new products
ChemInform Abstract: The Behavior of 3,3
โ
Fayez H. Osman; Fatma A. El-Samahy
๐
Article
๐
2008
๐
John Wiley and Sons
โ 27 KB
๐ 1 views