𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Stereochemistry of the reaction of pyridinium ylides withα,Β-unsaturated nitriles

✍ Scribed by A. M. Shestopalov; Yu. A. Sharanin; V. P. Litvinov


Publisher
Springer US
Year
1990
Tongue
English
Weight
540 KB
Volume
26
Category
Article
ISSN
0009-3122

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Organophosphorus chemistry 23 [1], the r
✍ Mohamed R. Mahran; Wafaa M. Abdou; Naglaa M. AbdEl-Rahman; Maha D. Khidre 📂 Article 📅 1992 🏛 John Wiley and Sons 🌐 English ⚖ 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

The reaction of amino-imidazoles, -pyraz
✍ Sergey A. Komykhov; Konstantin S. Ostras; Alvard R. Kostanyan; Sergey M. Desenko 📂 Article 📅 2005 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 131 KB

The reactions of α,β-unsaturated nitriles (1, 9, 12) as bielectrophiles with aminoazoles (2, 4, 6) as binucleophiles were investigated. Acrylonitrile (1) reacts almost exclusively in a chemoselective Michael-type addition yielding the substituted azoles 3, 5 and 7, respectively. Cinnamonitriles 9a,b

Reactions of 3-methylamino-5-phenylthiop
✍ Jong Seok Lee; Kyongtae Kim 📂 Article 📅 2000 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 465 KB

## Abstract Treatment of 3‐methylamino‐5‐phenylthiophene with α,β‐unsaturated esters, __i.e.__, methyl acrylate, (__E__)‐methyl crotonate, diethyl fumarate, diethyl maleate and ethyl propiolate, in tetrahydrofuran for several days at reflux gave 1‐methyl‐3,4‐dihydrothieno[2,3‐__e__]pyridin‐2‐ones *

The reaction of active and stabilized ph
✍ Fouad M. Soliman; Medhat M. Said; Soher S. Maigali 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 232 KB 👁 1 views

The active ketenylidene-(2a) or thioketenylidenetriphenylphosphoranes (2b) react with 2-benzylidene-1,3-indandione (1), 5-benzylidenebarbituric acid (11), and 4-benzylidene-1,2-diphenyl-3,5-pyrazolidinedione (16) to give the corresponding pyranones and thioxopyranones (3a,b, 12a,b) and (17a,b), resp