25-Cyclohexyl-5-demethoxy-25-de(1-methylpropyl)-22,23-dihydro-5-oxo-avermectin A1a

CAS: 220119-16-4

Ref. TR-C988133

Product Information

• Name: 25-Cyclohexyl-5-demethoxy-25-de(1-methylpropyl)-22,23-dihydro-5-oxo-avermectin A1a
• Synonyms: (1R,4S,5'S,6R,6'S,8R,10E,12S,13S,14E,16E,20S,24S)-6'-cyclohexyl-24-hydroxy-12-[(2R,4S,5S,6S)-5-[(2S,4S,5S,6S)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-5',11,13,22-tetramethylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6,2'-oxane]-2,21-dione
• Brand: TRC

Description

Applications 25-Cyclohexyl-5-demethoxy-25-de(1-methylpropyl)-22,23-dihydro-5-oxo-avermectin A1a is an intermediate in synthesizing 4'-O-2,6-Dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl Selamectin (D440100), which s an impurity of Selamectin (S247990), a topical parasiticide. Selamectin (S247990) is also used as a veterinary antihelminithic agent on animals.
References Eshar, D., et al.: J. Am. Veterin. Med. Association., 241, 1056 (2012); Geis-Asteggiante, L., et al.: J. Chromatograph., 1258, 43 (2012);

Chemical properties

• Molecular weight: 899.11
• Formula: C₅₀H₇₄O₁₄
• Color/Form: Neat
• InChI: InChI=1S/C50H74O14/c1-27-13-12-16-34-26-57-47-42(51)30(4)21-37(50(34,47)54)48(53)60-36-22-35(63-49(25-36)20-19-29(3)45(64-49)33-14-10-9-11-15-33)18-17-28(2)44(27)61-41-24-39(56-8)46(32(6)59-41)62-40-23-38(55-7)43(52)31(5)58-40/h12-13,16-17,21,27,29,31-33,35-41,43-47,52,54H,9-11,14-15,18-20,22-26H2,1-8H3/b13-12+,28-17+,34-16+/t27-,29-,31-,32-,35+,36-,37-,38-,39-,40-,41-,43-,44-,45-,46-,47+,49+,50+/m0/s1
• InChI key: InChIKey=JCXGGTZYZDLMDY-QYEATPFCSA-N
• SMILES: CO[C@H]1C[C@H](O[C@H]2[C@H](C)O[C@@H](O[C@@H]3/C(C)=C/C[C@@H]4C[C@@H](C[C@]5(CC[C@H](C)[C@@H](C6CCCCC6)O5)O4)OC(=O)[C@@H]4C=C(C)C(=O)[C@H]5OC/C(=C\C=C\[C@@H]3C)[C@]54O)C[C@@H]2OC)O[C@@H](C)[C@@H]1O