- Phosphaindole derivative, benzophosphaindole derivative and preparation methods thereof
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The invention discloses a phosphaindole derivative, a benzophosphaindole derivative and preparation methods thereof. The preparation method of the phosphaindole derivative comprises the following steps: alkyne, a phosphorus reagent, a copper catalyst and
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Paragraph 0018; 0022; 0024
(2019/01/16)
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- Synthesis of 2,3-dihydro-1-phenylbenzo[b]phosphole (1-phenylphosphindane) and its use as a mechanistic test in the asymmetric appel reaction: Decisive evidence against involvement of pseudorotation in the stereoselecting step
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Racemic 2,3-dihydro-1-phenylbenzo[b]phosphole was obtained by reduction of 1-phenylbenzo[b]phosphole-1-oxide, itself derived by ring-closing metathesis of phenylstyrylvinylphosphine oxide. The title compound was then reoxidized under asymmetric Appel cond
- Carr, Damien J.,Kudavalli, Jaya Satyanarayana,Dunne, Katherine S.,Mueller-Bunz, Helge,Gilheany, Declan G.
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p. 10500 - 10505
(2013/11/06)
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- Studies on seven-membered heterocycles. XXXIV. Syntheses and reactions of 1-benzosilepines, 1-benzogermepines, 1-benzophosphepines, and 1-benzarsepines
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Flash vacuum pyrolysis of 2a,7b-dihydrocyclobuta[b]-1-benzometalloles (6a-e), prepared from the corresponding 1-benzometalloles (3) containing Si, Ge, P, or As via three steps, resulted in valence isomerization with ring-opening to give 1,1-dimethyl-1-benzosilepine (7a), 1-methyl-1-phenyl-1-benzosilepine (7b), 1,1-dimethyl-1-benzogermepine (7c), 1-phenyl-1-benzophosphepine 1-oxide (7d), and 1-phenyl-1-benzarsepine 1-oxide (7e). The oxides (7d,e), on treatment with trichlorosilane, underwent deoxygenation to afford 1-phenyl-1-benzophosphepine (7f) and 1-phenyl-1-benzarsepine (7g). The 1-benzometallepines (7a-g) thus obtained are hitherto unknown heterocyclic ring compounds, and their thermal stabilities and several reactions were examined.
- Shiratori,Yasuike,Kurita,Tsuchiya
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p. 2441 - 2448
(2007/10/02)
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- A Versatile Synthetic Route to 1-Benzometalloles involving the First Examples of Several C-Unsubstituted Benzometalloles
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The group 14 (Si, Ge, Sn), group 15 (P, As, Sb, Bi) and group 16 (S, Se, Te) (2-trimethylsilyl)-1-benzometalloles 5 have been prepared from phenylacetylene via three steps and converted into the corresponding C-unsubstituted benzometalloles 7 by detrimethylsilylation.
- Kurita, Jyoji,Ishii, Makoto,Yasuike, Shuji,Tsuchiya, Takashi
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p. 1309 - 1310
(2007/10/02)
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- PRELIMINARY RESULTS IN CYCLOADDITION OF DIPHENYLNITRILIMINE TO PHOSPHINDOLE OXIDES
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Diphenylnitrilimine cycloaddition reactions to two phosphindoles oxides are regiospecific ans stereospecific.The approach of the dipole occurs from the less hindered diastereotopic side of the dipolarophile.
- Sedqui, Ahmed,Vebrel, Joel,Laude, Bernard
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p. 965 - 968
(2007/10/02)
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- ON SOME CHEMICAL PROPERTIES OF 1-PHENYLPHOSPHINDOLE
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The title compound 5 can be easily synthesized by combination of two published procedures.It undergoes quantitative lithium cleavage of the exocyclic P-Ph bond, and phosphorus substituent exchange by reaction with t-butyllithium.The phosphindolyl anion di
- Nief, Francois,Charrier, Claude,Mathey, Francois,Simalty, Michel
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p. 259 - 268
(2007/10/02)
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