1999
DOI: 10.1002/(sici)1099-0682(199901)1999:1<153::aid-ejic153>3.3.co;2-s
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1999
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Cited by 23 publications
(39 citation statements)
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“…In this case, iodoboration occurred rapidly and compound 18 was obtained ( Scheme 5a ). 17 Siebert found that iodoboration of 3-hexyne with BI 3 furnished the syn -addition product 19 rapidly, which, in line with Wrackmeyer's observations, underwent slow isomerisation to form the anti -addition product 20 at room temperature ( Scheme 5b ). 18,19 …”
Section: Haloboration Of Simple Alkynes Using Y
2
B–x (Y = X or R)supporting
confidence: 55%
“…In this case, iodoboration occurred rapidly and compound 18 was obtained ( Scheme 5a ). 17 Siebert found that iodoboration of 3-hexyne with BI 3 furnished the syn -addition product 19 rapidly, which, in line with Wrackmeyer's observations, underwent slow isomerisation to form the anti -addition product 20 at room temperature ( Scheme 5b ). 18,19 …”
Section: Haloboration Of Simple Alkynes Using Y
2
B–x (Y = X or R)supporting
confidence: 55%
“…Thus n BuSnCl 3 modifies silica as well as MAO. The work of Eisch and co‐workers indirectly supports this postulation (Scheme (b)). Consequently, the overall Lewis acid strength of Catalyst 2 partially decreases.…”
Section: Resultsmentioning
confidence: 72%
“…The lower polymerization activity of Catalyst 2 incidentally supports this remark. The literature reports that the MAO Lewis acid site originates from the coordinatively unsaturated Al in an –AlO 2 Me– environment (which consists of the tri‐coordinated Al atoms bridging the tri‐coordinated oxygen atoms) …”
Section: Resultsmentioning
confidence: 99%
“…One is the early study of the diphenylacetylene/PhBBr 2 /K system by Lappert et al,13 in which they claimed to have obtained a perphenylated 1,4‐diboracyclohexadiene derivative or an unknown carborane species. These results, however, could not be reproduced by Eisch et al14 The other system involves the alkynes/MeBBr 2 /C 8 K reaction reported by van der Kerk et al,15 who claimed to have obtained stable peralkylated 1,4‐diboracyclohexadiene derivatives as the main products through a borylene mechanism, while Wrackmeyer et al16 (in the cases of 3‐hexyne and 5‐decyne) obtained the corresponding C 4 B 2 ‐ nido ‐carboranes. No 1,4‐diboracyclohexadiene derivatives could be detected.…”
Section: Resultsmentioning
confidence: 92%
