Synthese von N-Methyl-spiro-[3H-naphtho[2,1-b]-pyran-3,2′-(1,2-dihydrochinolin)]
✍ Scribed by Dr. C. Schiele; H. O. Kalinowski
- Publisher
- John Wiley and Sons
- Year
- 1966
- Tongue
- English
- Weight
- 125 KB
- Volume
- 78
- Category
- Article
- ISSN
- 0044-8249
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📜 SIMILAR VOLUMES
The 1H and 13C NMR resonances of four 3H-naphtho[2,1-b]pyrans were completely and unambiguously assigned by a combination of homonuclear (gs-COSY), 1H-detected heteronuclear one-bond (gs-HMQC) and long-range (gs-HMBC) gradient-selected correlation experiments.
The photochromic parameters of a set of 26 thiophene-substituted [3H]-naphtho[2,1-b]pyrans were studied by flash photolysis. The experimental results obtained along with molecular modelling approaches (molecular mechanics and quantum calculations) allowed us to propose structure-property relationshi