1. V. V. Kuznetsov, A. I. Gren', A. V. Bogatskii, et al., ?Stereochemistry of heterocycles. Study of the conformation of the alkyl-1,3,2-dioxaborinanes by the PMR method,? Khim. Geterotsikl. Soedin., No. 1, 26?30 (1978).
2. V. V. Kuznetsov, A. I. Gren', I. V. Petrovskii, V. A. Antonovich, ?Study of the fine structure of derivatives of 1,3,2-dioxaborinane by methods of1H,13C, and11B NMR spectroscopy,? Fiz.-Khim. Inst. Akad Nauk SSSR, paper deposited at VINITI, December 16, 1982, No. 89?83.
3. W. Fenzl, H. Kosfeld, and R. Köster, ?(2,2-Dialkylvinyloxy)diorganylborane aus Aldehyden und Organylboranen,? Ann. Chem., Nos. 7/8, 1370?1379 (1976).
4. B. Wrakmeyer, ?Organoborierung von Alkynylstannanen. Zur Reaction von Bis(trimethylstannyl)butadiin mit Trialkylboranen,? J. Organomet, Chem.,190, No. 2, 237?242 (1980).
5. A. N. Nesmeyanov and R. A. Sokolik, Methods of Heteroorganic Chemisty. Boron, Aluminum, Gallium, Indium, Thallium [in Russian], Nauka, Moscow (1964).