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Beilstein J. Org. Chem. 2022, 18, 1264–1269, doi:10.3762/bjoc.18.132
Graphical Abstract
Scheme 1: Retrosynthetic scheme of the target molecule 1.
Scheme 2: Synthesis of dihydrofuran-monoterpenoid 1. a) i. O3, −78 °C; ii. PPh3, rt, 76%; b) 1-bromobut-2-yne...
Scheme 3: Racemic resolution of allenol 3 and synthesis of derivatives. a) Lipase AK, vinyl acetate, t-BuOMe,...
Beilstein J. Org. Chem. 2007, 3, No. 5, doi:10.1186/1860-5397-3-5
Scheme 1: Retrosynthetic analysis for the homopterocarpan skeleton.
Scheme 2: Reagents: i CH2 = CHCH2SiMe2Cl, Et3N, DCM, 85%; ii 2nd generation Grubbs catalyst, DCM, 91%.
Scheme 3: Reagents: i: BF3·Et2O (1 eq), MeOH 95%; ii: substituted benzaldehydes, BF3·Et2O (1 eq), DCM; iii: s...
Scheme 4: Reagents: i: a) OsO4, KIO4, THF-H2O, 79%; b) LiAlH4, Et2, 0°C, 76%; iii: PPh3, DIAD, THF, 70%.