Thermal [2+2]-Cycloadditions between the Metallodiphosphene (η5-C5Me5)(CO)Fe-P=P-Mes* and a Phosphaalkyne

Grobe J, Le Van D, Pohlmeyer T, Krebs B, Conrad O, Dobbert E, Weber L (1998)
Organometallics 17(15): 3383-3386.

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Abstract
The synthesis of trans-1,2-dihydro-1-(2,4,6-tri-tert-butylphenyl)-2-(dicarbonyl-eta(5)-pe ntamethylcyclopentadienylferrio)-4-diisopropylamino-1,2,3-triphosphete (9) was conducted by treating 1-(dicarbonyl-eta(5)-pentamethylcyclopentadienylferrio)-2-(2,4,6-tri-ter t-butylphenyl)diphosphene (7) with an equimolar amount of 2 -diisopropylamino-1-phosphaethyne (2b). Monitoring the reaction by P-31(H-1) NMR evidenced the formation, of trans-1,2-dihydro-1-(dicarbonyl-eta(5)-pentamethylcyclopentadienylferrio )-2-(2, 4, 6-tri-tert-butylphenyl)-4-diisopropylamino-1,2,3-triphosphete (8) as an, intermediate, which in solution slowly isomerized to the final product 9.
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Grobe J, Le Van D, Pohlmeyer T, et al. Thermal [2+2]-Cycloadditions between the Metallodiphosphene (η5-C5Me5)(CO)Fe-P=P-Mes* and a Phosphaalkyne. Organometallics. 1998;17(15):3383-3386.
Grobe, J., Le Van, D., Pohlmeyer, T., Krebs, B., Conrad, O., Dobbert, E., & Weber, L. (1998). Thermal [2+2]-Cycloadditions between the Metallodiphosphene (η5-C5Me5)(CO)Fe-P=P-Mes* and a Phosphaalkyne. Organometallics, 17(15), 3383-3386.
Grobe, J., Le Van, D., Pohlmeyer, T., Krebs, B., Conrad, O., Dobbert, E., and Weber, L. (1998). Thermal [2+2]-Cycloadditions between the Metallodiphosphene (η5-C5Me5)(CO)Fe-P=P-Mes* and a Phosphaalkyne. Organometallics 17, 3383-3386.
Grobe, J., et al., 1998. Thermal [2+2]-Cycloadditions between the Metallodiphosphene (η5-C5Me5)(CO)Fe-P=P-Mes* and a Phosphaalkyne. Organometallics, 17(15), p 3383-3386.
J. Grobe, et al., “Thermal [2+2]-Cycloadditions between the Metallodiphosphene (η5-C5Me5)(CO)Fe-P=P-Mes* and a Phosphaalkyne”, Organometallics, vol. 17, 1998, pp. 3383-3386.
Grobe, J., Le Van, D., Pohlmeyer, T., Krebs, B., Conrad, O., Dobbert, E., Weber, L.: Thermal [2+2]-Cycloadditions between the Metallodiphosphene (η5-C5Me5)(CO)Fe-P=P-Mes* and a Phosphaalkyne. Organometallics. 17, 3383-3386 (1998).
Grobe, J., Le Van, D., Pohlmeyer, T., Krebs, B., Conrad, O., Dobbert, Eckhard, and Weber, Lothar. “Thermal [2+2]-Cycloadditions between the Metallodiphosphene (η5-C5Me5)(CO)Fe-P=P-Mes* and a Phosphaalkyne”. Organometallics 17.15 (1998): 3383-3386.
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