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Beilstein J. Org. Chem. 2020, 16, 524–529, doi:10.3762/bjoc.16.48
Graphical Abstract
Figure 1: Examples of functional molecules based on π-extended phospholes.
Scheme 1: Syntheses of PAH-fused phospholes featuring a 7-hydroxybenzo[b]phosphole as a key intermediate.
Scheme 2: Synthesis of phosphole-fused ortho-teraryl compounds 7.
Scheme 3: Oxidative cyclization of phosphole-fused ortho-teraryl compounds 7 into triphenylene-fused phosphol...
Figure 2: ORTEP drawings of compound 8a (thermal ellipsoids set at 50% probability). a) top view; b) side vie...
Figure 3: UV–vis absorption (solid lines) and fluorescence (dashed lines) spectra of compounds 8a–c.
Beilstein J. Org. Chem. 2018, 14, 709–715, doi:10.3762/bjoc.14.60
Scheme 1: Cobalt–NHC-catalyzed C–H alkenylation reactions with alkenyl electrophiles.
Scheme 2: Reaction of substituted pivalophenone N–H imines with 2a. aThe major regioisomer is shown (rr = reg...
Scheme 3: Reaction of 1a with various alkenyl phosphates. aA mixture of E- and Z-alkenyl phosphate (ca. 1:1) ...
Scheme 4: The cyclization of o-alkenylpivalophenone N–H imine.
Scheme 5: Proposed catalytic cycle (R = t-BuCH2, R' = P(O)(OEt)2).
Beilstein J. Org. Chem. 2012, 8, 1536–1542, doi:10.3762/bjoc.8.174
Scheme 1: (a) Cobalt-catalyzed C2-alkenylation of N-pyrimidylindole, (b) ortho-alkylation of aryl imine, and ...
Scheme 2: Addition of N-pyrimidylindoles to vinylsilanes.
Scheme 3: Addition of N-pyrimidylindole to norbornene (a) and 1-octene (b).
Scheme 4: Gram-scale reaction and deprotection of N-pyrimidyl group.