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Beilstein J. Org. Chem. 2012, 8, 433–440, doi:10.3762/bjoc.8.49
Graphical Abstract
Scheme 1: Synthesis of cyclic sulfonium ylides 2; n = 0–3.
Scheme 2: Non-carbenoid formation of sulfonium ylide 4.
Scheme 3: Conditions: (a) phthalic anhydride, NEt3 (10 mol %), toluene, reflux, 2 h; (b) 1. carbonyldiimidazo...
Scheme 4: Rh(II)-catalysed carbenoid reactions of diazoesters 8a,b.
Figure 1: Proposed relative configurations of the diastereomeric cyclic sulfonium ylides 12aA and 12aB. 1H NM...
Scheme 5: Endo transition state for [3 + 3]-dimerisation of carbonyl ylide 14.
Scheme 6: Rh(II)-catalysed carbenoid reactions of diazoester 8c.
Scheme 7: Tandem cyclisation/intermolecular cycloaddition of diazoester 8a. Conditions: (a) Rh2(OAc)4 (3 mol ...
Scheme 8: Carbenoid formation of sulfonium ylides from diazoesters 11a,b. Conditions: (a) Rh2(OAc)4 (3 mol %)...