Contributions of the Chemistry of Boron, 236. In Quest of New and Stable Bis(organyloxy)boranes (RO) 2 BH for Catalytic Hydroboration | Zendy

Lang Andreas | Zendy; Nöth Heinrich | Zendy; ThomannAlbach Marina | Zendy

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Contributions of the Chemistry of Boron, 236. In Quest of New and Stable Bis(organyloxy)boranes (RO) 2 BH for Catalytic Hydroboration

Author(s) -

Lang Andreas,

Nöth Heinrich,

ThomannAlbach Marina

Publication year - 1997

Publication title -

chemische berichte

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 0009-2940

DOI - 10.1002/cber.19971300310

Subject(s) - hydroboration , boranes , chemistry , cyclopentene , boron , ring strain , catalysis , organometallic chemistry , medicinal chemistry , lewis acids and bases , organic chemistry , stereochemistry , ring (chemistry)

New and stable bis(organyloxy)boranes, 1,3,2‐dioxaborolanes and 1,3,2‐dixoaborinanes have been prepared (i) from the corresponding diol and BH 3 ·THF and (ii) from 1,2‐diketones and BH 3 ·THF. They were characterized by spectroscopic techniques. The BH stretching frequency seems to be a measure of ring strain and Lewis acidity. The compounds have been qualitatively tested in the transition‐metal‐catalysed hydroboration of cyclopentene, and the dioxaborinane 11 proved to be superior to the 1,3,2‐dioxaborolanes 9 and 18 .

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