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Beilstein J. Org. Chem. 2023, 19, 1243–1250, doi:10.3762/bjoc.19.92
Graphical Abstract
Scheme 1: Original triple organocatalytic cascade reaction developed by Enders.
Figure 1: Approaches based on the original Enders cascade reaction to access trisubstituted cyclohexene carba...
Scheme 2: Acetaldehyde dimethyl acetal (6) as an acetaldehyde surrogate to effect a triple organocatalytic ca...
Figure 2: Scope of the cascade reaction using 6 as an acetaldehyde equivalent. Reaction conditions: 3 (0.5 mm...
Beilstein J. Org. Chem. 2020, 16, 1084–1091, doi:10.3762/bjoc.16.95
Scheme 1: Planned approach to tetrasubstituted-4-methylene-3,4-dihydroisoquinolin-1(2H)-ones 4 and 6.
Scheme 2: Preparation of the starting N-propargyl-2-iodobenzamides 2.
Scheme 3: Substrate scope of the reaction of N-propargyl-2-iodobenzamide 2a with arylboronic acids 3b–i.
Scheme 4: Substrate scope of the reaction of N-propargyl-2-iodobenzamides 2c–f with arylboronic acids 3a–c/j.
Scheme 5: Reaction of N-propargyl-2-iodobenzamides 2b,f with the 2-alkynyltrifluoroacetanilides 5a–c.