Product Name

  • Name

    Doramectin

  • EINECS 601-490-4
  • CAS No. 117704-25-3
  • Article Data1
  • CAS DataBase
  • Density 1.25 g/cm3
  • Solubility
  • Melting Point 116-119 °C
  • Formula C50H74O14
  • Boiling Point 967.4 °C at 760 mmHg
  • Molecular Weight 899.129
  • Flash Point 274.4 °C
  • Transport Information UN 2811 6.1/PG 3
  • Appearance white to off-white crystalline powder
  • Safety 33-45-60-61-36/37-26
  • Risk Codes 25-50/53-36/37/38
  • Molecular Structure Molecular Structure of 117704-25-3 (Doramectin)
  • Hazard Symbols ToxicT, DangerousN, IrritantXi
  • Synonyms 25-Cyclohexylavermectin B1;Dectomax;L701023;UK 67994;
  • PSA 170.06000
  • LogP 5.91160

Synthetic route

doramectin
117704-25-3

doramectin

trifluoroacetic anhydride
407-25-0

trifluoroacetic anhydride

C52H69F3O13

C52H69F3O13

Conditions
ConditionsYield
With triethylamine In acetonitrile for 2h; Ambient temperature;77%
doramectin
117704-25-3

doramectin

5-ketodoramectin

5-ketodoramectin

Conditions
ConditionsYield
With manganese(IV) oxide In diethyl ether for 18h; Ambient temperature;72.5%
With silica gel; pyridinium chlorochromate In dichloromethane at 20℃; for 4h;15%
doramectin
117704-25-3

doramectin

25-cyclohexyl-5-demethoxy-25-de(1-methylpropyl)-5-(hydroxyimino)avermectin A1a

25-cyclohexyl-5-demethoxy-25-de(1-methylpropyl)-5-(hydroxyimino)avermectin A1a

Conditions
ConditionsYield
Stage #1: doramectin With manganese(IV) oxide In diethyl ether at 25℃; for 18h; Oxidation;
Stage #2: With hydroxylamine hydrochloride In 1,4-dioxane; methanol; water at 50℃; for 2h; oximation;
58%
Multi-step reaction with 2 steps
1: pyridinium chlorochromate; silica gel / dichloromethane / 4 h / 20 °C
2: hydroxylamine hydrochloride / isopropyl alcohol; water / 5 h / 20 °C
View Scheme
doramectin
117704-25-3

doramectin

C43H62O11

C43H62O11

Conditions
ConditionsYield
With sulfuric acid In tetrahydrofuran at 20℃; for 16h;36%
With sulfuric acid In tetrahydrofuran; water at 40℃; for 16h;100 g
doramectin
117704-25-3

doramectin

(8,9-Z)-doramectin

(8,9-Z)-doramectin

Conditions
ConditionsYield
In cyclohexane for 0.75h; Irradiation;25.7%
doramectin
117704-25-3

doramectin

C52H77NO15

C52H77NO15

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 1H-imidazole; dmap / dichloromethane / 4 h / 20 °C / Inert atmosphere
2: dmap / dichloromethane / 3 h / 20 °C / Inert atmosphere
3: dmap / dichloromethane / 6 h / 20 °C / Inert atmosphere
4: toluene-4-sulfonic acid / methanol / 1 h / 20 °C / Inert atmosphere
View Scheme
doramectin
117704-25-3

doramectin

C64H95NO15Si

C64H95NO15Si

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1H-imidazole; dmap / dichloromethane / 4 h / 20 °C / Inert atmosphere
2: dmap / dichloromethane / 5 h / 20 °C / Inert atmosphere
View Scheme
doramectin
117704-25-3

doramectin

C58H81NO15

C58H81NO15

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1H-imidazole; dmap / dichloromethane / 4 h / 20 °C / Inert atmosphere
2: dmap / dichloromethane / 5 h / 20 °C / Inert atmosphere
3: toluene-4-sulfonic acid / methanol / 1 h / 20 °C / Inert atmosphere
View Scheme
doramectin
117704-25-3

doramectin

C60H90N2O15Si

C60H90N2O15Si

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1H-imidazole; dmap / dichloromethane / 4 h / 20 °C / Inert atmosphere
2: dmap / dichloromethane / 3 h / 20 °C / Inert atmosphere
View Scheme
tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

doramectin
117704-25-3

doramectin

C56H88O14Si

C56H88O14Si

Conditions
ConditionsYield
With 1H-imidazole; dmap In dichloromethane at 20℃; for 4h; Inert atmosphere;
doramectin
117704-25-3

doramectin

C43H61NO11

C43H61NO11

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: pyridinium chlorochromate; silica gel / dichloromethane / 4 h / 20 °C
2: hydroxylamine hydrochloride / isopropyl alcohol; water / 5 h / 20 °C
3: sulfuric acid / tetrahydrofuran / 6 h / 20 °C
View Scheme
doramectin
117704-25-3

doramectin

C51H75NO14

C51H75NO14

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridinium chlorochromate; silica gel / dichloromethane / 4 h / 20 °C
2: isopropyl alcohol; water / 4 h / 20 °C
View Scheme
doramectin
117704-25-3

doramectin

C44H63NO11

C44H63NO11

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: pyridinium chlorochromate; silica gel / dichloromethane / 4 h / 20 °C
2: isopropyl alcohol; water / 4 h / 20 °C
3: sulfuric acid / tetrahydrofuran / 6 h / 20 °C
View Scheme
doramectin
117704-25-3

doramectin

C50H75NO13

C50H75NO13

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridinium chlorochromate; silica gel / dichloromethane / 4 h / 20 °C
2: sodium cyanoborohydride; ammonium acetate; acetic acid / methanol / 48 h / 20 °C
View Scheme
doramectin
117704-25-3

doramectin

C43H64O11

C43H64O11

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sulfuric acid / tetrahydrofuran; water / 16 h / 40 °C
2: Wilkinson's catalyst; hydrogen / toluene / 6 h / 35 °C / 3000.3 Torr
View Scheme
Multi-step reaction with 2 steps
1: Wilkinson's catalyst; hydrogen / acetone / 35 - 40 °C / 2250.23 - 3000.3 Torr / Large scale
2: sulfuric acid / isopropyl alcohol / 2.5 h / 20.2 - 24 °C / Autoclave; Inert atmosphere; Large scale
View Scheme
doramectin
117704-25-3

doramectin

C43H62O11

C43H62O11

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sulfuric acid / tetrahydrofuran; water / 16 h / 40 °C
2: Wilkinson's catalyst; hydrogen / toluene / 6 h / 35 °C / 3000.3 Torr
3: manganese(IV) oxide / acetone / 1 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1: Wilkinson's catalyst; hydrogen / acetone / 35 - 40 °C / 2250.23 - 3000.3 Torr / Large scale
2: sulfuric acid / isopropyl alcohol / 2.5 h / 20.2 - 24 °C / Autoclave; Inert atmosphere; Large scale
3: manganese(IV) oxide / dichloromethane / 20 - 25 °C / Inert atmosphere; Autoclave; Large scale
View Scheme
doramectin
117704-25-3

doramectin

A

C50H72O14

C50H72O14

B

C50H74O14

C50H74O14

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: Wilkinson's catalyst; hydrogen / toluene / 4 h / 40 °C / 3000.3 Torr / Autoclave
2: 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione; manganese(IV) oxide / dimethyl sulfoxide / 1.75 h / 25 - 30 °C
View Scheme

Doramectin Specification

The Doramectin, with the CAS registry number 117704-25-3, belongs to the product categories of Antiparasitic; Intermediates & Fine Chemicals; Pharmaceuticals. Its systematic name is called (2alphaE,4E,5'S,6S,6'R,7S,8E,11R,13S,15S,17alphaR,20R,20alphaR,20betaS)-6'-cyclohexyl-20,20beta-dihydroxy-5',6,8,19-tetramethyl-17-oxo-5',6,6',10,11,14,15,17,17alpha,20,20alpha,20beta-dodecahydro-2H,7H-spiro[11,15-methanofuro[4,3 ,2-pq][2,6]benzodioxacyclooctadecine-13,2'-pyran]-7-yl 2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-alpha-L-arabino-hexopyranosyl)-3-O-methyl-alpha-L-arabino-hexopyranoside. This chemical's classification codes are Anthelmintics; Anti-Anxiety Agents; Anti-Infective Agents; Anticonvulsants; Antiparasitic Agents; Antiparasitic [veterinary]; Central Nervous System Agents; Central Nervous System Depressants; Insecticides; Pesticides; Psychotropic Drugs; Tranquilizing Agents.

Physical properties of Doramectin: (1)ACD/LogP: 6.06; (2)# of Rule of 5 Violations: 3; (3)ACD/LogD (pH 5.5): 7; (4)ACD/LogD (pH 7.4): 7; (5)ACD/BCF (pH 5.5): 161310; (6)ACD/BCF (pH 7.4): 161308; (7)ACD/KOC (pH 5.5): 185875; (8)ACD/KOC (pH 7.4): 185872; (9)#H bond acceptors: 14; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 10; (12)Index of Refraction: 1.58; (13)Molar Refractivity: 237.858 cm3; (14)Molar Volume: 714.817 cm3; (15)Surface Tension: 54.231 dyne/cm; (16)Density: 1.258 g/cm3; (17)Flash Point: 274.409 °C; (18)Enthalpy of Vaporization: 159.764 kJ/mol; (19)Boiling Point: 967.377 °C at 760 mmHg; (20)Vapour Pressure: 0 mmHg at 25°C.

Doramectin (Dectomax) is a veterinary drug approved by the Food and Drug Administration (FDA) for the treatment of parasites such as gastrointestinal roundworms, lungworms, eyeworms, grubs, sucking lice and mange mites in cattle. It is used for the treatment and control of internal parasitosis (gastrointestinal and pulmonary nematodes), ticks and mange (and other ectoparasites). Doramectin is also available for horses as an oral flavored bioadhesive gel under the name Doraquest L.A. Oral Gel. It can be used to control and treat internal parasites as roundworms, lungworms and some external parasites.

When you are using this chemical, please be cautious about it as the following:
This chemical may cause inflammation to the skin or other mucous membranes. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing. In case of accident or if you feel unwell seek medical advice immediately (show the label where possible).

You can still convert the following datas into molecular structure:
(1)SMILES: O=C6O[C@H]3C[C@H](O[C@]/2(O[C@H](C1CCCCC1)[C@H](\C=C\2)C)C3)C/C=C(\C)[C@@H](O[C@@H]5O[C@@H](C)[C@H](O[C@@H]4O[C@@H](C)[C@H](O)[C@@H](OC)C4)[C@@H](OC)C5)[C@H](/C=C/C=C7/[C@@]8(O)[C@H]6/C=C(/C)[C@@H](O) [C@H]8OC7)C
(2)InChI: InChI=1/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/h12-13,16-17,19-21,27,29,31-33,35-47,51-52,54H,9-11,14-15,18,22-26H2,1-8H3/b13-12+,28-17+,34-16+/t27-,29-,31-,32-,35+,36-,37-,38-,39-,40-,41-,42+,43-,44-,45-,46-,47+,49+,50+/m0/s1
(3)InChIKey: QLFZZSKTJWDQOS-YDBLARSUBH

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View