Synthesis of New Thiophene??Substituted 3, 3??Diphenyl??3H??naphtho [2, 1??b] pyrans by Cross??Coupling Reactions, Precursors of Photomodulated Materials

M Frigoli, C Moustrou, A Samat…

Index: European Journal of Organic Chemistry, , # 15 p. 2799 - 2812

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Citation Number: 22

Abstract

... European Journal of Organic Chemistry. ... Coupling constants (J values) are expressed in Hertz (Hz), and spin multiplicities are indicated by the following symbols: s (singlet), d ... The organic layers were combined, washed with 1 n aqueous HCl (2 × 25 mL), water (3 × 20 mL), and ...