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Borylation of calix[4]resorcinols under ultrasonic irradiation |
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| Authors: | I S Nizamov R R Shamilov G R Sabirzyanova E I Nikitin A R Burilov M A Pudovik |
| Institution: | 1. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, ul. Arbuzova 8, Kazan, Tatarstan, 420088, Russia 2. Kazanskii (Volga Region) Federal University, Kazan, Tatarstan, Russia 3. Tatarskii State Humanitarian Pedagogical University, Kazan, Tatarstan, Russia |
| Abstract: | The use of ultrasonic irradiation in the reactions of trialkyl borates with octahydroxytetraoctyll 4] metacyclophane allowed us obtaining tetraalkoxyboratocavitands with higher yields and under milder conditions. We first obtained 1,3,2-dioxaborolane and 1,3,2-dioxaborinane derivatives of tetraoctyll 4]metacyclophane using ultrasonic irradiation. Boratocavitands were converted into the corresponding amine complexes with isobutylamine. |
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