![](/CAS2/GIF/189453-35-8.gif)
(4S,7R,8S,9S,13Z,16S)-4,8-Bis-{[tert-butyl(dimethyl)silyl]oxy}-5,5,7,9,13-pentamethyl-16-[(E)-1-methyl-2-(2-methyl-1,3-thiazol-4-yl)ethenyl]oxocyclohexadec-13-ene-2,6-dione synthesis
- Product Name:(4S,7R,8S,9S,13Z,16S)-4,8-Bis-{[tert-butyl(dimethyl)silyl]oxy}-5,5,7,9,13-pentamethyl-16-[(E)-1-methyl-2-(2-methyl-1,3-thiazol-4-yl)ethenyl]oxocyclohexadec-13-ene-2,6-dione
- CAS Number:189453-35-8
- Molecular formula:C39H69NO5SSi2
- Molecular Weight:720.2
![(3S,6R,7S,12Z,15S,16E)-3,7-Bis-{[tert-butyl(dimethyl)silyl]oxy}-15-hydroxy-4,4,6,8,12,16-hexamethyl-17-(2-methyl-1,3-thiazol-4-yl)-5-oxoheptadeca-12,16-dienoic Acid](/CAS2/GIF/193146-26-8.gif)
193146-26-8
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![(4S,7R,8S,9S,13Z,16S)-4,8-Bis-{[tert-butyl(dimethyl)silyl]oxy}-5,5,7,9,13-pentamethyl-16-[(E)-1-methyl-2-(2-methyl-1,3-thiazol-4-yl)ethenyl]oxocyclohexadec-13-ene-2,6-dione](/CAS2/GIF/189453-35-8.gif)
189453-35-8
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Yield:189453-35-8 90%
Reaction Conditions:
Stage #1: (3S,6R,7S,8S,12Z,15S,16E)-3,7-bis{[tert-butyl(dimethyl)silyl]oxy}-15-hydroxy-4,4,6,8,12,16-hexamethyl-17-(2-methyl-1,3-thiazol-4-yl)-5-oxoheptadeca-12,16-dienoic acidwith 2,4,6-trichlorobenzoyl chloride;triethylamine in tetrahydrofuran at 20; for 0.333333 h;
Stage #2: with dmap in tetrahydrofuran;toluene; for 1 h;
References:
Sawada, Daisuke;Kanai, Motomu;Shibasaki, Masakatsu [Journal of the American Chemical Society,2000,vol. 122,# 43,p. 10521 - 10532]
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![(4S,7R,8S,9S,13Z,16S)-4,8-Bis-{[tert-butyl(dimethyl)silyl]oxy}-5,5,7,9,13-pentamethyl-16-[(E)-1-methyl-2-(2-methyl-1,3-thiazol-4-yl)ethenyl]oxocyclohexadec-13-ene-2,6-dione](/CAS2/GIF/189453-35-8.gif)
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![(4S,7R,8S,9S,13Z,16S)-4,8-Bis-{[tert-butyl(dimethyl)silyl]oxy}-5,5,7,9,13-pentamethyl-16-[(E)-1-methyl-2-(2-methyl-1,3-thiazol-4-yl)ethenyl]oxocyclohexadec-13-ene-2,6-dione](/CAS2/GIF/189453-35-8.gif)
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![(4S,7R,8S,9S,13Z,16S)-4,8-Bis-{[tert-butyl(dimethyl)silyl]oxy}-5,5,7,9,13-pentamethyl-16-[(E)-1-methyl-2-(2-methyl-1,3-thiazol-4-yl)ethenyl]oxocyclohexadec-13-ene-2,6-dione](/CAS2/GIF/189453-35-8.gif)
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