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18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
ChemicalBook CAS DataBase List Calicheamicin

Calicheamicin synthesis

2synthesis methods
Carbamic acid, [8-[[4,6-dideoxy-4-[[[2,6-dideoxy-4-S-[4-[(6-deoxy-3-O-methyl-α-L-mannopyranosyl)oxy]-3-iodo-5,6-dimethoxy-2-methylbenzoyl]-4-thio-β-D-ribo-hexopyranosyl]oxy]amino]-2-O-[2,4-dideoxy-4-[ethyl[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-3-O-methyl-α-L-threo-pentopyranosyl]-β-D-glucopyranosyl]oxy]-1-hydroxy-13-[2-(methyltrithio)ethylidene]-11-oxobicyclo[7.3.1]trideca-4,9-diene-2,6-diyn-10-yl]-, methyl ester, [1R-(1R*,4Z,8S*,13E)]-

144668-44-0
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Calicheamicin

108212-75-5
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-

Yield:108212-75-5 90%

Reaction Conditions:

with diethylamine in tetrahydrofuran;water at 25; for 1.5 h;

References:

Nicolaou;Hummel;Pitsinos;Nakada;Smith;Shibayama;Saimoto [Journal of the American Chemical Society,1992,vol. 114,# 25,p. 10082 - 10084]

Carbamic acid, [8-[[4,6-dideoxy-4-[[[2,6-dideoxy-4-S-[4-[[6-deoxy-3-O-methyl-2,4-bis-O-(triethylsilyl)-α-L-mannopyranosyl]oxy]-3-iodo-5,6-dimethoxy-2-methylbenzoyl]-4-thio-3-O-(triethylsilyl)-β-D-ribo-hexopyranosyl]oxy][[2-(trimethylsilyl)ethoxy]carbonyl]amino]-2-O-[2,4-dideoxy-4-[ethyl[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-3-O-methyl-α-L-threo-pentopyranosyl]-β-D-glucopyranosyl]oxy]-13-[2-(methyltrithio)ethylidene]spiro[bicyclo[7.3.1]trideca-4,9-diene-2,6-diyne-11,2′-[1,3]dioxolan]-10-yl]-, methyl ester, [1R-(1R*,4Z,8S*,13E)]-

158862-55-6
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Calicheamicin

108212-75-5
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References

Calicheamicin Related Search:

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