I "O O: Me Me "OH SMe 'N H NH SO₂Ph O b (-)-20 (+)-27. R=SO₂Ph (+)-gliocladin B (1), R=H 88% Scheme 3. Second-generation
Posted: Tue May 31, 2022 10:57 pm
I "O O: Me Me "OH SMe 'N H NH SO₂Ph O b (-)-20 (+)-27. R=SO₂Ph (+)-gliocladin B (1), R=H 88% Scheme 3. Second-generation total synthesis of (+)-gliocladin B (1). Reagents and conditions: (a) MeSNa, TFA-MeNO₂ (1:1 v/v), 0-23 °C (77%) ; (b) hv (350 nm), 1,4- dimethoxynaphthalene, ascorbic acid, sodium ascorbate, H₂O, MeCN, 25 °C (88%). "N MeS 77% N. N 15