𝔖 Bobbio Scriptorium
✦   LIBER   ✦

2-benzopyrylium salts. 45. Interaction of 2-benzopyrylium salts and their monocyclic analogs with imines of ketones

✍ Scribed by D. É. Tosunyan; S. V. Verin; E. V. Kuznetsov

Publisher
Springer US
Year
1994
Tongue
English
Weight
640 KB
Volume
30
Category
Article
ISSN
0009-3122

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

2-benzopyrylium salts. xxxi : Analogs of
2-benzopyrylium salts. xxxi : Analogs of reissert compounds from 2-benzopyrylium salts and sodium cyanide
✍ Alexandru T. Balaban; Mircea D. Gheorghiu; Irina V. Shcherbakova; Evgenii V. Kuz 📂 Article 📅 1987 🏛 Elsevier Science 🌐 French ⚖ 420 KB

Nucleophilic aldition of u cyanide anion to 2-benwpyryliwn salt8 I takes place at the firet position end led8 to stable i8ochzvmene8 II, which are oxygen anabgs of Reissert aqXUnd8. The structure II uaa a~nfirmed by IR, 'H-NM? and '3C-NMR spectra. The tatter epectra reveal clearly the cyarr, gzup (w

2-benzopyrylium salts. XXXVII. Oxygen an
2-benzopyrylium salts. XXXVII. Oxygen analogs of reissert compounds : molecular structure and reactions with sodium hydroxide
✍ Irina V. Shcherbakova; Evghenii V. Kuznetsov; Iosif A. Yudilevich; Olga E. Kompa 📂 Article 📅 1988 🏛 Elsevier Science 🌐 French ⚖ 465 KB

The weak intensity of the CN stretching band in IR spectra for l-ayanoiso chromenes is obviousZy determined by the steric position of the CN group in the rroZecuZe, as it was estabUshed by X-ray structuraZ anclysis for the ayanide addition product (2d) of l-isopropyZ-3-methyZ-2-benzopyryZium sclts.

A.T. Balaban, M.D. Gheorghiu, I.C. Shche
A.T. Balaban, M.D. Gheorghiu, I.C. Shcherbakova, E.V. Kuznetsov and I.A. Yudilevich, 2-benzopyrylium salts—XXXI. Analogs of reissert compounds from 2-benzopyrylium salts and sodium cyanide: Tetrahedron 43, 409 (1987)
📂 Article 📅 1987 🏛 Elsevier Science 🌐 French ⚖ 27 KB

The footnote is marked with an asterisk after the only text's mention of the reference 1141: . . . and the only example of 1 -cyano-1 -IV-R-amidoisochromenes [ 141. + \*Nevertheless the sharp CN stretching band at 2230 cm-' can be discovered in cyanoisochromenes II a-h after an accumulation and a sc