| Approval: | ISO |
|---|---|
| IUPAC PIN: | |
| IUPAC name: | 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[15.6.1.14,8.020,24]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[15.6.1.14,8.020,24]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 |
| CAS name: | (6R,13R,25R)-5-O-demethyl-28-deoxy-6,28-epoxy-13-[2-[(methoxyimino)phenylacetyl]oxy]-25-methylmilbemycin B mixture with (6R,13R,25R)-5-O-demethyl-28-deoxy-6,28-epoxy-25-ethyl-13-[[(methoxyimino)phenylacetyl]oxy]milbemycin B |
| CAS Reg. No.: | 863549-51-3 |
| Formula: | C41H53NO10 (6′-ethyl) and C40H51NO10 (6′-methyl) |
| Activity: | insecticides (milbemycin) |
| Notes: | The CAS Registry Numbers of the components are 171249-05-1 (6′-ethyl) and 171249-10-8 (6′-methyl). |
| Structure: |  |
| Pronunciation: | lěp-ǐ-měk-tǐn Guide to British pronunciation |
| InChIKey: | 6′-ethyl: HICUREFSAIZXFQ-JOWPUVSESA-N 6′-methyl: ARIWUAYYZGKZQD-WLLLSCRYSA-N identifier for mixture (not valid): DJQANAALJYNDCA-NJLPFFLASA-N |
| InChI: | 6′-ethyl: InChI=1S/C41H53NO10/c1-7-33-24(2)18-19-40(52-33)22-31-21-30(51-40)17-16-26(4)36(50-39(45)34(42-47-6)28-13-9-8-10-14-28)25(3)12-11-15-29-23-48-37-35(43)27(5)20-32(38(44)49-31)41(29,37)46/h8-16,20,24-25,30-33,35-37,43,46H,7,17-19,21-23H2,1-6H3/b12-11+,26-16+,29-15+,42-34-/t24-,25-,30+,31-,32-,33+,35+,36+,37+,40+,41+/m0/s1 6′-methyl: InChI=1S/C40H51NO10/c1-23-17-18-39(50-27(23)5)21-31-20-30(51-39)16-15-25(3)35(49-38(44)33(41-46-6)28-12-8-7-9-13-28)24(2)11-10-14-29-22-47-36-34(42)26(4)19-32(37(43)48-31)40(29,36)45/h7-15,19,23-24,27,30-32,34-36,42,45H,16-18,20-22H2,1-6H3/b11-10+,25-15+,29-14+,41-33-/t23-,24-,27+,30+,31-,32-,34+,35+,36+,39-,40+/m0/s1 |