Quinupristin-dalfopristinmesylateisa70:30(w/w)complexoftwosemi-syntheticanaloguesmarketedasSynercid.DalfopristinisasemisyntheticanalogueofvirginiamycinM,whilequinupristinisasemi-syntheticanalogueofvirginiamycinB.Tooptimisest
ABIlity,thecompoundsarepresentedasthemesylatesaltswith10%sodiummesylateexcesstoprovideabufferedaqueoussolution.Thecomplexismorehydrophobicthanthenaturally-occurringvirginiamycincomplex,withare
ADIlyionisablegroupforgeneratingasaltforimprovedsolubility.Thereislittlepublisheddataonthesynthesisand
BIOLOGicalactivityofindividualcomponentsofthecomplex,howeverthecombinationisahighlyeffectiveantibiotic,includingactivityagainstresistantstrains.
Quinupristin-dalfopristinmesylateissolublein ethanol,methanol,DMFandDMSO.
CASNumber
126602-89-9
MolecularFormula
C54H71N9O13S2(forquinupristinmesylate);C35H54N4O12S2(fordalfopristinmesylate)
MolecularWeight
1118.3(forquinupristinmesylate);786.9(fordalfopristinmesylate)
StorageConditions
-20°C
Specifications:
Appearance
Whitetolightyellowsolid