1988
DOI: 10.1021/ic00286a031
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Synthesis and borane coordination of primary alkenyl- and alkynylphosphines

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1988
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Cited by 17 publications
(23 citation statements)
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“…Twenty years ago, a pioneering work of Norman et al described the synthesis of some functionalized derivatives, the primary allylic and propargylic phosphine-boranes. 9 A low kinetic stability was observed for these unsaturated species. Recently, the vinylphosphine-borane has been synthesized.…”
Section: Introductionmentioning
confidence: 98%
“…Twenty years ago, a pioneering work of Norman et al described the synthesis of some functionalized derivatives, the primary allylic and propargylic phosphine-boranes. 9 A low kinetic stability was observed for these unsaturated species. Recently, the vinylphosphine-borane has been synthesized.…”
Section: Introductionmentioning
confidence: 98%
“…The unsaturated carbon centres are also heavily deshielded (δ c 137.4 ( J PC 19.0 Hz) C 1 ; 209.9 ( J PC 11.3 Hz) C 2 ), the latter in particular being more characteristic of an allenic, 40 rather than alkynic centre; indeed, these data are in good agreement with those for the limited range of phosphinoallenes § ( Table 2) described previously. 14,41 We thus confidently formulate 15 as (Et 2 N) 2 PC-(Ph)vCvCH 2 (Scheme 2).…”
Section: Formation Of a Phosphino-allenementioning
confidence: 92%
“…Yield: 0.800 g (4 : 1 8 : SnBu 4 ). NMR (C 6 D 6 , 30°C): (14). In a manner similar to that described for 8, using HP(SiMe 3 ) 2 (1.04 g, 5.84 × 10 −3 mol), n BuLi (2.5 M, 2.3 cm 3 , 5.75 × 10 −3 mol) and 3 (1.25 g, 6.00 × 10 −3 mol).…”
Section: General Methodsmentioning
confidence: 99%
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“…[2][3][4][5][6] The length of the P-B bonds has been predicted by theoretical calculations 7 and determined by microwave spectroscopy. 12 Some nondistillable kinetically stable tungsten complexes of simple unsaturated phosphines have also been described. 10,11 For instance, such systems are significantly more acidic in the gas phase than the corresponding saturated analogs.…”
Section: Introductionmentioning
confidence: 99%