Lepimectin

Lepimectin

extended von Baeyer nomenclature: mixture of 80–100% (10E,14E,16E)-(1R,4S,5′S,6R,6′R,8R,12R,13S,20R,21R,24S)-6′-ethyl-21,24-dihydroxy- 5′,11,13,22-tetramethyl-2-oxo-(3,7,19-trioxatetracyclo[15.6.1.1^4,8.0^20,24]pentacosa-10,14,16,22-tetraene)-6-spiro-2′-(tetrahydropyran)-12-yl (Z)-2-methoxyimino-2-phenylacetate and 20–0% (10E,14E,16E)-(1R,4S,5′S,6R,6′R,8R,12R,13S,20R,21R,24S)-21,24-dihydroxy-5′,6′,11,13,22-pentamethyl-2-oxo-(3,7,19-trioxatetracyclo[15.6.1.1^4,8.0^20,24]pentacosa-10,14,16,22-tetraene)-6-spiro-2′-(tetrahydropyran)-12-yl (Z)-2-methoxyimino-2-phenylacetate
or
bridged fused ring systems nomenclature: mixture of 80–100% (2aE,4E,8E)-(5′S,6S,6′R,7R,11R,13R,15S,17aR,20R,20aR,20bS)-6′-ethyl-3′,4′,5′,6,6′,7,10,11,14,15,17a,20,20a,20b-tetradecahydro-20,20b-dihydroxy-5′,6,8,19-tetramethyl-17-oxospiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2′-[2H]pyran]-7-yl (Z)-2-methoxyimino-2-phenylacetate and 20–0% (2aE,4E,8E)-(5′S,6S,6′R,7R,11R,13R,15S,17aR,20R,20aR,20bS)-3′,4′,5′,6,6′,7,10,11,14,15,17a,20,20a,20b-tetradecahydro-20,20b-dihydroxy-5′,6,6′,8,19-pentamethyl-17-oxospiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2′-[2H]pyran]-7-yl (Z)-2-methoxyimino-2-phenylacetate

(6R,13R,25R)-5-O-demethyl-28-deoxy-6,28-epoxy-13-[(Z)-[(methoxyimino)phenylacetyl]oxy]-25-methylmilbemycin B mixture with (6R,13R,25R)-5-O-demethyl-28-deoxy-6,28-epoxy-25-ethyl-13-[(Z)-

171249-05-1 (6′-ethyl) and 171249-10-8 (6′-methyl)

C₄₁H₅₃NO₁₀ (6′-ethyl) and C₄₀H₅₁NO₁₀ (6′-methyl)

Insecticides > Macrocyclic lactone insecticides

Insecticide

Hazard Class:O (Obsolete as pesticide, not classified)