cas 131944-48-4, (E/Z)-FK-506 26,28-Allylic Ester RearrangeMent IMpurity | Articles data ｜lookchem

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131944-48-4

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THERMAL REARRANGEMENT OF THE IMMUNOSUPPRESSANT FK-506
Treatment of FK-506 in xylene at reflux results in a sigmatropic rearrangement of the allylic ester portion of the molecule to give a new ring expanded macrolide.
Ok, H.,Arison, B. H.,Ball, R. G.,Beatti, T. R.,Fisher, M. H.,Wyvratt, M. J.
p. 6477 - 6480
(2007/10/02)

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(3S,4R,5S,8S,9E,12S,14S,15R,16S,18R,19R,26aS)-5,19-dihydroxy-14,16-dimethoxy-15,19-epoxy-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-3-[(1E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-8-(2-propen-1-yl)-4,10,12,18-tetramethyl-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone

More Articles about downstream products of 131944-48-4

131944-49-5
(13E,16E,20E)-(1R,9S,12R,15R,19S,23S,25S,26R,27S,29R)-19-Allyl-1-hydroxy-12-((1R,3R,4R)-4-hydroxy-3-methoxy-cyclohexyl)-25,27-dimethoxy-13,15,21,23,29-pentamethyl-11,30-dioxa-4-aza-tricyclo[24.3.1.0^4,9]triaconta-13,16,20-triene-2,3,10,18-tetraone

Chemical Properties

Melting Point: 115-120°C
Boiling Point: 879.7±75.0 °C(Predicted)
Density: 1.19±0.1 g/cm3(Predicted)
Storage Temp.:-20?C Freezer
PKA: 9.98±0.70(Predicted)
PSA: 178.36000
LogP: 4.57690

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