Milbemycin oxime

Milbemycin oxime

extended von Baeyer nomenclature: mixture of 70% (10E,14E,16E)-(1R,4S,5′S,6R,6′R,8R,13R,20R,24S)-6′-ethyl-24-hydroxy-5′,11,13,22-tetramethyl-(3,7,19-trioxatetracyclo[15.6.1.1^4,8.0^20,24]pentacosa-10,14,16,22-tetraene)-6-spiro-2′-(tetrahydropyran)-2,21-dione 21-(EZ)-oxime and 30% (10E,14E,16E)-(1R,4S,5′S,6R,6′R,8R,13R,20R,24S)-24-hydroxy-5′,6′,11,13,22-pentamethyl-(3,7,19-trioxatetracyclo[15.6.1.1^4,8.0^20,24]pentacosa-10,14,16,22-tetraene)-6-spiro-2′-(tetrahydropyran)-2,21-dione 21-(EZ)-oxime
or
bridged fused ring systems nomenclature: mixture of 70% (2aE,4E,8E)-(5′S,6R,6′R,11R,13R,15S,17aR,20aR,20bS)-6′-ethyl-3′,4′,5′,6′,10,11,14,15,20a,20b-decahydro-20b-hydroxy-5′,6,8,19-tetramethylspiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2′-[2H]pyran]-17,20(6H,17aH)-dione 20-(EZ)-oxime and 30% (2aE,4E,8E)-(5′S,6R,6′R,11R,13R,15S,17aR,20aR,20bS)-3′,4′,5′,6′,10,11,14,15,20a,20b-decahydro-20b-hydroxy-5′,6,6′,8,19-pentamethylspiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2′-[2H]pyran]-17,20(6H,17aH)-dione 20-(EZ)-oxime

(6R,25R)-5-demethoxy-28-deoxy-6,28-epoxy-25-ethyl-5-(hydroxyimino)milbemycin B mixture with (6R,25R)-5-demethoxy-28-deoxy-6,28-epoxy-5-(hydroxyimino)-25-methylmilbemycin B

C₃₁H₄₃NO₇ + C₃₂H₄₅NO₇

Insecticides > Macrocyclic lactone insecticides
Acaricides / Miticides > Macrocyclic lactone acaricides