A total synthesis of cyclodepsipeptide [Leu]6-aureobasidin K using combination of solid- and solution-phase | A total synthesis of cyclodepsipeptide Leu 6-aureobasidin K using combination of solid- and solution-phase A total synthesis of cyclodepsipeptide Leu 6-aureobasidin K using combination of solid- and solution-phase Andi Rahima Ace Tatang Hidayata b Nurlelasaria Desi Harnetia Unang Supratmana b and Rani Maharania b a Department of Chemistry Faculty of Mathematics and Natural Sciences Universitas Padjadjaran Jatinangor West Java Indonesia b Laboratorium Sentral Universitas Padjadjaran Jatinangor West Java Indonesia Corresponding email Figure S1. Spectrum FT-IR of R -2-hydroxy-3-methylbutanoic acid 5 Figure S2. 1H-NMR 500 MHz in CD3OD of R -2-hydroxy-3-methylbutanoic acid 5 Figure S3. Spectrum FT-IR of R -2- 9H-fluoren-9-yl methoxy carbonyl oxy -3-methylbutanoic acid 7 O OH O O O Figure S4. 1H-NMR 500 MHz in CDCl3 of R -2- 9H-fluoren-9-yl methoxy carbonyl oxy -3-methylbutanoic acid 7 Figure S5. 13C-NMR 125 MHz in CDCl3 R -2- 9H-fluoren-9-yl methoxy carbonyl oxy -3-methylbutanoic acid 7 Figure S6. Analytical RP-HPLC chromatogram of Leu 6-Aureobasidin K 1 Conditions Eluent ACN water Gradient 20-80 13 minutes λ 240 nm v 1 mL min Stationary phase LiChrosper C-18 PDA detectores Retention times min Figure S7. HR-TOF-MS-ES spectrum of Leu 6-Aureobasidin K 1 Calculated mass C59H90N8O10 Na Figure S8. 1H-NMR 500 MHz in CD3OD of Leu 6-Aureobasidin K 1
