NMR “solid” echoes in nematic 4-cyano-4′-n-penyl-d11-2′,3′,5′,6′-d4-biphenyl
✍ Scribed by N. Boden; L.D. Clark; P.K. Kahol
- Book ID
- 103020535
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 285 KB
- Volume
- 93
- Category
- Article
- ISSN
- 0009-2614
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## Abstract Chemical shift assignment of seven __N__‐substituted 6‐(4‐methoxyphenyl)‐7__H__‐pyrrolo[2, 3‐__d__]pyrimidin‐4‐amines, six of which are fluorinated, have been performed based on ^1^H, ^13^C, ^19^F, and 2D COSY, HMBC and HSQC experiments. Copyright © 2009 John Wiley & Sons, Ltd.
The reaction of 6-aminopyrimidin-4-ones 1 with benzaldehydes 2 and β-aminocrotononitrile 3 or benzoylacetonitrile 4 under microwave irradiation in dry media yields the 6-cyano-5,8-dihydropyrido[2,3-d]pyrimidinones 5a-t. The structure of the synthesized compounds was determined on the basis of nmr me