919298-99-0

Basic information

• Product Name: 7,9,13,19-tetrakis-(tert-butyl-dimethyl-silanyloxy)-21-(4-methoxy-benzyloxy)-6,12,14,16,20,22-hexamethyl-hexacosa-2,4,10,23,25-pentaenoic acid ethyl ester
• Synonyms: 7,9,13,19-tetrakis-(tert-butyl-dimethyl-silanyloxy)-21-(4-methoxy-benzyloxy)-6,12,14,16,20,22-hexamethyl-hexacosa-2,4,10,23,25-pentaenoic acid ethyl ester
• CAS NO: 919298-99-0
• Molecular Weight: 1156.03
• Mol File: 919298-99-0.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 7,9,13,19-tetrakis-(tert-butyl-dimethyl-silanyloxy)-21-(4-methoxy-benzyloxy)-6,12,14,16,20,22-hexamethyl-hexacosa-2,4,10,23,25-pentaenoic acid ethyl ester(CAS DataBase Reference)
• NIST Chemistry Reference: 7,9,13,19-tetrakis-(tert-butyl-dimethyl-silanyloxy)-21-(4-methoxy-benzyloxy)-6,12,14,16,20,22-hexamethyl-hexacosa-2,4,10,23,25-pentaenoic acid ethyl ester(919298-99-0)
• EPA Substance Registry System: 7,9,13,19-tetrakis-(tert-butyl-dimethyl-silanyloxy)-21-(4-methoxy-benzyloxy)-6,12,14,16,20,22-hexamethyl-hexacosa-2,4,10,23,25-pentaenoic acid ethyl ester(919298-99-0)

Safety Data

• Hazardous Substances Data: 919298-99-0(Hazardous Substances Data)

Upstream product

• 919298-85-4 (2Z,4E,6R,7S,9S,10Z,12S,13R,14S,16S,19R,21S,22S,23Z)-9-hydroxy-21-(4-methoxy-benzyloxy)-7,13,19-tris(tert-butyldimethylsilyloxy)-6,12,14,16,20,22-hexamethyl-hexaeicosa-2,4,10,23,25-pentaenoic acid ethyl ester 
• 69739-34-0 t-butyldimethylsiyl triflate 
• 443761-71-5 (2R,3S,4S)-3,5-bis(tert-butyldimethylsilyloxy)-2,4-dimethylpentan-1-ol 
• 219606-81-2 (3R,4S)-4,6-bis(tert-butyldimethylsilyloxy)-3-methylhex-1-ene 
• 188926-25-2 (2S,3S)-3,5-bis{[tert-butyl(dimethyl)silyl]oxy}-2-methylpentanal 
• 443761-81-7 (2R,3S,4S)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2,4-dimethyl-pentanal 
• 457623-10-8 4R,6-bis(tert-butyldimethylsilanyloxy)-3S,5S-dimethylhex-1-ene 
• 184528-64-1 (2S,3S)-3,4-(di(tert-butyldimethylsilyloxy))-2-methyl-butanal 
• 18162-48-6 tert-butyldimethylsilyl chloride 
• 106296-58-6 (2S,3R,4S)-1-(tert-butyldimethylsilyloxy)-2,4-dimethylhex-5-en-3-ol 
• 168777-81-9 (3S,4R)-1-[(tert-butyldimethylsilyl)oxy]-4-methylhex-5-en-3-ol 
• 919298-82-1 C₅₁H₉₂O₆Si₃ 
• 919298-83-2 (+)-1-methoxy-4-[(1S,2R,3R,6S,8S,9R,10S)-3,9,11-tris-(tert-butyldimethylsilanyloxy)-2,6,8,10-tetramethyl-1-((Z)-(S)-1-methylpenta-2,4-dienyl)undecyloxymethyl]benzene 
• 919298-94-5 5,11,13-tris-(tert-butyl-dimethyl-silanyloxy)-3-(4-methoxy-benzyloxy)-2,4,8,10,12-pentamethyl-tridecan-1-ol 

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Total synthesis of potential antitumor agent, (-)-dictyostatin

(Chemical Equation Presented) The potential antitumor agent (-)-dictyostatin has been synthesized utilizing Brown crotylboration to achieve eight of the eleven chiral centers. The yield for the 26-step longest sequence is ～4%. The C9-C10 coupling is achie