1977
DOI: 10.1002/zaac.19774330131
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Borverbindungen. 6. Darstellung und Molekülstruktur des 1,5‐Diäthyl‐2,3‐diphenyl‐1,3,5‐triaza‐2‐bora‐cyclooctan‐4‐ons: Vergleichsverbindungen

Abstract: Die Titelverbindung ist der erste Borheterocyclus mittlerer Ringgröße mit gut aufgelöstem 1H‐NMR‐Spektrum. Zur Interpretation wurden zahlreiche Vergleichsverbindungen mit Amin‐, Harnstoff‐ und/oder Diazaboragruppen hergestellt und systematische Zusammenhänge zwischen den chemischen Verschiebungen von Methyl‐ bzw. Methylenprotonensignalen und ihrer Stellung zum Stickstoff oder zum Bor gefunden.

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Cited by 10 publications
(1 citation statement)
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“…A mixture of PMA 28 (5.4 g, 2.0 mmol) and CH 3 N(CH 2 CH 2 CN) 2 (2.9 g, 20 mmol) [19] in 1,2-dichloroethane (75 mL) was heated at 90°C for 72 h. After removal of solvents, the residue was dissolved in a small amount of methanol. Upon slow addition of ether, the brown solid precipitated out from the solution, which was the desired cross linked polymer c-PMA 28 (5 g, 71%): 1 15 and c-PMA 50 were prepared in a similar manner.…”
Section: Preparation Of C-pma Nmentioning
confidence: 99%
“…A mixture of PMA 28 (5.4 g, 2.0 mmol) and CH 3 N(CH 2 CH 2 CN) 2 (2.9 g, 20 mmol) [19] in 1,2-dichloroethane (75 mL) was heated at 90°C for 72 h. After removal of solvents, the residue was dissolved in a small amount of methanol. Upon slow addition of ether, the brown solid precipitated out from the solution, which was the desired cross linked polymer c-PMA 28 (5 g, 71%): 1 15 and c-PMA 50 were prepared in a similar manner.…”
Section: Preparation Of C-pma Nmentioning
confidence: 99%