Product Name

  • Name

    Pimaricin

  • EINECS 231-683-5
  • CAS No. 7681-93-8
  • Article Data12
  • CAS DataBase
  • Density 1.0 g/mL at 20 °C(lit.)
  • Solubility 0.41g/L(21 oC)
  • Melting Point 2000 °C
  • Formula C33H47NO13
  • Boiling Point 952.2 °C at 760 mmHg
  • Molecular Weight 665.735
  • Flash Point 529.7 °C
  • Transport Information
  • Appearance white to off-white solid
  • Safety 24/25-36
  • Risk Codes 22
  • Molecular Structure Molecular Structure of 7681-93-8 (Pimaricin)
  • Hazard Symbols HarmfulXn
  • Synonyms 6,11,28-Trioxatricyclo[22.3.1.05,7]octacosa-8,14,16,18,20-pentaene-25-carboxylicacid, 22-[(3-amino-3,6-dideoxy-b-D-mannopyranosyl)oxy]-1,3,26-trihydroxy-12-methyl-10-oxo-,(1R,3S,5R,7R,8E,12R,14E,16E,18E,20E,22R,24S,25R,26S)-;6,11,28-Trioxatricyclo[22.3.1.05,7]octacosa-8,14,16,18,20-pentaene-25-carboxylicacid, 22-[(3-amino-3,6-dideoxy-b-D-mannopyranosyl)oxy]-1,3,26-trihydroxy-12-methyl-10-oxo-,[1R-(1R*,3S*,5R*,7R*,8E,12R*,14E,16E,18E,20E,22R*,24S*,25R*,26S*)]-;Pimaricin(6CI,8CI);Tennecetin (7CI);6,11,28-Trioxatricyclo[22.3.1.05,7]octacosane,pimaricin deriv.;Antibiotic A 5283;CL 12625;Delvocid;E 235;Mycophyt;Myprozine;Myuprozine;Natacyn;Natajen;Natamax;Natamax SF;Natamax lactose;Natamycin;Pimafucin;Synogil;[1R-(1R*,3S*,5R*,7R*,8E,12R*,14E,16E,18E,20E,22R*,24S*,25R*,26S*)]-22-[(3-Amino-3,6-dideoxy-b-D-mannopyranosyl)oxy]-1,3,26-trihydroxy-12-methyl-10-oxo-6,11,28-trioxatricyclo[22.3.1.05,7]octacosa-8,14,16,18,20-pentaene-25-carboxylicacid;d-Natamycin;
  • PSA 230.99000
  • LogP 0.82000

Synthetic route

sodium acetate
127-09-3

sodium acetate

A

AB-400
85496-13-5

AB-400

B

natamycin
7681-93-8

natamycin

Conditions
ConditionsYield
With Streptomyces sp. RGU5.3 Product distribution / selectivity; Microbiological reaction; Enzymatic reaction;
4,5-desepoxypimaricin

4,5-desepoxypimaricin

natamycin
7681-93-8

natamycin

Conditions
ConditionsYield
With PimD; dihydrogen peroxide; ascorbic acid at 25℃; for 0.5h; pH=7.5; aq. buffer; Enzymatic reaction;
natamycin
7681-93-8

natamycin

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

phosphonic acid diethyl ester
762-04-9

phosphonic acid diethyl ester

3'-N-[(4-bromophenyl)(diethoxyphosphinoyl)methyl]pimaricin

3'-N-[(4-bromophenyl)(diethoxyphosphinoyl)methyl]pimaricin

Conditions
ConditionsYield
Stage #1: natamycin; 4-bromo-benzaldehyde With triethylamine In N,N-dimethyl-formamide at 40℃; for 3h;
Stage #2: phosphonic acid diethyl ester In N,N-dimethyl-formamide at 40℃; Kabachnik-Fields Reaction;
85%
diphenyl hydrogen phosphite
4712-55-4

diphenyl hydrogen phosphite

natamycin
7681-93-8

natamycin

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

3'-N-[(4-bromophenyl)(diphenoxyphosphinoyl)methyl]pimaricin

3'-N-[(4-bromophenyl)(diphenoxyphosphinoyl)methyl]pimaricin

Conditions
ConditionsYield
Stage #1: natamycin; 4-bromo-benzaldehyde With triethylamine In N,N-dimethyl-formamide at 40℃; for 3h;
Stage #2: diphenyl hydrogen phosphite In N,N-dimethyl-formamide at 40℃; Kabachnik-Fields Reaction;
83%
natamycin
7681-93-8

natamycin

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

Dimethyl phosphite
868-85-9

Dimethyl phosphite

3'-N-[(4-bromophenyl)(dimethoxyphosphinoyl)methyl]pimaricin

3'-N-[(4-bromophenyl)(dimethoxyphosphinoyl)methyl]pimaricin

Conditions
ConditionsYield
Stage #1: natamycin; 4-bromo-benzaldehyde With triethylamine In N,N-dimethyl-formamide at 40℃; for 3h; Kabachnik-Fields Reaction;
Stage #2: Dimethyl phosphite In N,N-dimethyl-formamide at 40℃;
82%
dibutyl hydrogen phosphite
1809-19-4

dibutyl hydrogen phosphite

natamycin
7681-93-8

natamycin

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

3'-N-[(4-bromophenyl)(dibutoxyphosphinoyl)methyl]pimaricin

3'-N-[(4-bromophenyl)(dibutoxyphosphinoyl)methyl]pimaricin

Conditions
ConditionsYield
Stage #1: natamycin; 4-bromo-benzaldehyde With triethylamine In N,N-dimethyl-formamide at 40℃; for 3h;
Stage #2: dibutyl hydrogen phosphite In N,N-dimethyl-formamide at 40℃; Kabachnik-Fields Reaction;
81%
bis(trimethylsilyl) phosphonate
3663-52-3

bis(trimethylsilyl) phosphonate

natamycin
7681-93-8

natamycin

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

3'-N-{[bis(trimethylsilyloxy)phosphinoyl](4-bromophenyl)methyl}pimaricin

3'-N-{[bis(trimethylsilyloxy)phosphinoyl](4-bromophenyl)methyl}pimaricin

Conditions
ConditionsYield
Stage #1: natamycin; 4-bromo-benzaldehyde With triethylamine In N,N-dimethyl-formamide at 40℃; for 3h;
Stage #2: bis(trimethylsilyl) phosphonate In N,N-dimethyl-formamide at 40℃; Kabachnik-Fields Reaction;
80%
C37H34BF3N4O2

C37H34BF3N4O2

natamycin
7681-93-8

natamycin

C70H80BF2N5O15

C70H80BF2N5O15

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 40℃;80%
natamycin
7681-93-8

natamycin

4-fluorobenzaldehyde
459-57-4

4-fluorobenzaldehyde

N-(α-hydrophosphoryl-4-fluorobenzyl)pimaricin
1108187-85-4

N-(α-hydrophosphoryl-4-fluorobenzyl)pimaricin

Conditions
ConditionsYield
Stage #1: natamycin; 4-fluorobenzaldehyde With triethylamine In dimethyl sulfoxide at 40℃; for 3h;
Stage #2: With hypophosphorous acid In dimethyl sulfoxide at 30 - 35℃; Further stages.;
75%
natamycin
7681-93-8

natamycin

4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

N-[(α-hydrophosphoryl-4-methoxybenzyl)]pimaricin
1108187-81-0

N-[(α-hydrophosphoryl-4-methoxybenzyl)]pimaricin

Conditions
ConditionsYield
Stage #1: natamycin; 4-methoxy-benzaldehyde With triethylamine In dimethyl sulfoxide at 40℃; for 3h;
Stage #2: With hypophosphorous acid In dimethyl sulfoxide at 30 - 35℃; Further stages.;
71%
natamycin
7681-93-8

natamycin

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

N-(α-hydrophosphoryl-4-chlorobenzyl)pimaricin
1108187-86-5

N-(α-hydrophosphoryl-4-chlorobenzyl)pimaricin

Conditions
ConditionsYield
Stage #1: natamycin; 4-chlorobenzaldehyde With triethylamine In dimethyl sulfoxide at 40℃; for 3h;
Stage #2: With hypophosphorous acid In dimethyl sulfoxide at 30 - 35℃; Further stages.;
70%
natamycin
7681-93-8

natamycin

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

N-(α-hydrophosphoryl-4-bromobenzyl)pimaricin
1108187-87-6

N-(α-hydrophosphoryl-4-bromobenzyl)pimaricin

Conditions
ConditionsYield
Stage #1: natamycin; 4-bromo-benzaldehyde With triethylamine In dimethyl sulfoxide at 40℃; for 3h;
Stage #2: With hypophosphorous acid In dimethyl sulfoxide at 30 - 35℃; Further stages.;
70%
natamycin
7681-93-8

natamycin

4-dimethylamino-benzaldehyde
100-10-7

4-dimethylamino-benzaldehyde

N-[α-hydrophosphoryl-4-(dimethylamino)benzyl]pimaricin
1108187-84-3

N-[α-hydrophosphoryl-4-(dimethylamino)benzyl]pimaricin

Conditions
ConditionsYield
Stage #1: natamycin; 4-dimethylamino-benzaldehyde With triethylamine In dimethyl sulfoxide at 40℃; for 3h;
Stage #2: With hypophosphorous acid In dimethyl sulfoxide at 30 - 35℃; Further stages.;
69%
natamycin
7681-93-8

natamycin

4-hydroxy-benzaldehyde
123-08-0

4-hydroxy-benzaldehyde

N-(α-hydrophosphoryl-4-hydroxybenzyl)pimaricin
1108187-80-9

N-(α-hydrophosphoryl-4-hydroxybenzyl)pimaricin

Conditions
ConditionsYield
Stage #1: natamycin; 4-hydroxy-benzaldehyde With triethylamine In dimethyl sulfoxide at 40℃; for 3h;
Stage #2: With hypophosphorous acid In dimethyl sulfoxide at 30 - 35℃; Further stages.;
67%
natamycin
7681-93-8

natamycin

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

N-[(α-hydrophosphoryl-4-nitrobenzyl)]pimaricin
1108187-82-1

N-[(α-hydrophosphoryl-4-nitrobenzyl)]pimaricin

Conditions
ConditionsYield
Stage #1: natamycin; 4-nitrobenzaldehdye With triethylamine In dimethyl sulfoxide at 40℃; for 3h;
Stage #2: With hypophosphorous acid In dimethyl sulfoxide at 30 - 35℃; Further stages.;
62%
4-Phenyl-1,2,4-triazolidine-3,5-dione
4233-33-4

4-Phenyl-1,2,4-triazolidine-3,5-dione

natamycin
7681-93-8

natamycin

C41H52N4O15

C41H52N4O15

Conditions
ConditionsYield
With (1S)-10-camphorsulfonic acid In 1,4-dioxane at 20℃; for 3h; Diels-Alder reaction; regioselective reaction;52%
iodomethyl pivaloate
53064-79-2

iodomethyl pivaloate

natamycin
7681-93-8

natamycin

natamycin methyl pivalate
1112350-04-5

natamycin methyl pivalate

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl-formamide at -5℃; for 1h; Inert atmosphere;12.8%
Stage #1: natamycin With triethylamine In N,N-dimethyl-formamide at -5℃; Inert atmosphere;
Stage #2: iodomethyl pivaloate In N,N-dimethyl-formamide for 1h;
12.8%
methanol
67-56-1

methanol

natamycin
7681-93-8

natamycin

methyl D-mycosamide hydrochloride

methyl D-mycosamide hydrochloride

Conditions
ConditionsYield
With hydrogenchloride 0.5 h; 2 h, reflux then RT, overnight; Yield given;
natamycin
7681-93-8

natamycin

3-(N-(9-fluorenylmethoxycarbonyl)amino)propionaldehyde
267410-86-6

3-(N-(9-fluorenylmethoxycarbonyl)amino)propionaldehyde

22-(4-{bis-[3-(9H-fluoren-9-ylmethoxycarbonylamino)-propyl]-amino}-3,5-dihydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-1,3,26-trihydroxy-12-methyl-10-oxo-6,11,28-trioxa-tricyclo[22.3.1.05,7]octacosa-8,14,16,18,20-pentaene-25-carboxylic acid

22-(4-{bis-[3-(9H-fluoren-9-ylmethoxycarbonylamino)-propyl]-amino}-3,5-dihydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-1,3,26-trihydroxy-12-methyl-10-oxo-6,11,28-trioxa-tricyclo[22.3.1.05,7]octacosa-8,14,16,18,20-pentaene-25-carboxylic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium cyanoborohydride In N,N-dimethyl-formamide at 20℃; for 16h;
With hydrogenchloride; water; sodium cyanoborohydride In N,N-dimethyl-formamide at 20℃; for 16h;
natamycin
7681-93-8

natamycin

AB-400
85496-13-5

AB-400

Conditions
ConditionsYield
With Streptomyces diastaticus var. 108; plasmid pSM784; introduced in (S. diastaticus var. 108/784); cell-free extract of Product distribution / selectivity; Enzymatic reaction; Microbiological reaction;
With Streptomyces sp. RGU5.3; cell-free extract of Product distribution / selectivity; Enzymatic reaction; Microbiological reaction;
natamycin
7681-93-8

natamycin

N,N-di-(3-aminopropyl)-Pimaricin

N,N-di-(3-aminopropyl)-Pimaricin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: NaBH3CN; HCl / dimethylformamide / 16 h / 20 °C
2: 22 percent / piperidine / dimethylsulfoxide / 2 h / 20 °C
View Scheme
natamycin
7681-93-8

natamycin

C49H58N2O14

C49H58N2O14

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: pyridine / N,N-dimethyl-formamide; methanol / 12 h / 20 °C
2: camphor-10-sulfonic acid / methanol; tetrahydrofuran / 1 h / 0 °C
3: diphenyl phosphoryl azide; triethylamine / tetrahydrofuran / 3 h / 50 °C
View Scheme
natamycin
7681-93-8

natamycin

NatMU

NatMU

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: pyridine / N,N-dimethyl-formamide; methanol / 12 h / 20 °C
2: camphor-10-sulfonic acid / methanol; tetrahydrofuran / 1 h / 0 °C
3: diphenyl phosphoryl azide; triethylamine / tetrahydrofuran / 3 h / 50 °C
4: tetrahydrofuran / 16 h / 20 °C
View Scheme
natamycin
7681-93-8

natamycin

NatAU

NatAU

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: pyridine / N,N-dimethyl-formamide; methanol / 12 h / 20 °C
2: camphor-10-sulfonic acid / methanol; tetrahydrofuran / 1 h / 0 °C
3: diphenyl phosphoryl azide; triethylamine / tetrahydrofuran / 3 h / 50 °C
4: tetrahydrofuran / 2 h / 50 °C
View Scheme
natamycin
7681-93-8

natamycin

C49H59NO15

C49H59NO15

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine / N,N-dimethyl-formamide; methanol / 12 h / 20 °C
2: camphor-10-sulfonic acid / methanol; tetrahydrofuran / 1 h / 0 °C
View Scheme
N-(9H-fluoren-2-ylmethoxycarbonyloxy)succinimide
82911-69-1

N-(9H-fluoren-2-ylmethoxycarbonyloxy)succinimide

natamycin
7681-93-8

natamycin

C48H57NO15

C48H57NO15

Conditions
ConditionsYield
With pyridine In methanol; N,N-dimethyl-formamide at 20℃; for 12h;

Pimaricin Chemical Properties

Molecular Formula: C33H47NO13
Molecular Weight: 665.73  g/mol
Melting point: 2000 °C 
Form: aqueous suspension
Storage temp.:  2-8 °C
EINECS: 231-683-5
Merck: 13,6453 
Flash Point: 529.7 °C 
Index of Refraction: 1.62
Surface Tension: 71 dyne/cm
Density: 1.0 g/mL at 20 °C(lit.)
Vapour Pressure: 0 mmHg at 25 °C
Enthalpy of Vaporization: 157.21 kJ/mol
Boiling Point: 952.2 °C at 760 mmHg 
Following is the Structure of  Pimaricin (CAS NO.7681-93-8):

Canonical SMILES: CC1CC=CC=CC=CC=CC(CC2C(C(CC(O2)(CC(CC3C(O3)C=CC(=O)O1)O)O)O)C(=O)O)OC4C(C(C(C(O4)C)O)N)O
Isomeric SMILES: C[C@@H]1C/C=C/C=C/C=C/C=C/[C@@H](CC2[C@@H]([C@H](C[C@](O2)(C[C@H](C[C@@H]3[C@H](O3)/C=C/C(=O)O1)O)O)O)C(=O)O)OC4[C@H]([C@H]([C@@H]([C@H](O4)C)O)N)O
InChI: InChI=1S/C33H47NO13/c1-18-10-8-6-4-3-5-7-9-11-21(45-32-30(39)28(34)29(38)19(2)44-32)15-25-27(31(40)41)22(36)17-33(42,47-25)16-20(35)14-24-23(46-24)12-13-26(37)43-18/h3-9,11-13,18-25,27-30,32,35-36,38-39,42H,10,14-17,34H2,1-2H3,(H,40,41)/b4-3+,7-5+,8-6+,11-9+,13-12+/t18-,19-,20+,21+,22+,23-,24-,25?,27-,28+,29-,30+,32?,33-/m1/s1
InChIKey: NCXMLFZGDNKEPB-RXKQOUODSA-N

Pimaricin Uses

 Pimaricin (CAS NO.7681-93-8) is commonly used as polyene antifungal antibiotic.It is used to treat fungal infections, including Candida, Aspergillus, Cephalosporium, Fusarium and Penicillium.In the food industry,it's used as a hurdle to fungal outgrowth in dairy products, meats, and other foods.

Pimaricin Toxicity Data With Reference

1.    

orl-rat LD50:2730 mg/kg

    TXAPA9    Toxicology and Applied Pharmacology. 8 (1966),97.
2.    

ipr-rat LD50:85 mg/kg

    ANTCAO    Antibiotics and Chemotherapy. 9 (1959),406.
3.    

scu-rat LD50:190 mg/kg

    ANTCAO    Antibiotics and Chemotherapy. 9 (1959),406.
4.    

ivn-rat LD50:36 mg/kg

    ANTCAO    Antibiotics and Chemotherapy. 9 (1959),406.
5.    

ims-rat LD50:128 mg/kg

    ANTCAO    Antibiotics and Chemotherapy. 9 (1959),406.
6.    

orl-mus LD50:1500 mg/kg

    85FZAT    Index of Antibiotics from Actinomycetes Umezawa, H., et al., eds.,Tokyo, Japan.: University of Tokyo Press,1967,517.
7.    

ipr-mus LD50:96 mg/kg

    NIIRDN    “Drugs in Japan. Ethical Drugs, 6th Edition 1982” Edited by Japan Pharmaceutical Information Center. 6 (1982),639.
8.    

ivn-dog LD50:18 mg/kg

    ANTCAO    Antibiotics and Chemotherapy. 9 (1959),406.
9.    

orl-rbt LD50:1420 mg/kg

    TXAPA9    Toxicology and Applied Pharmacology. 8 (1966),97.                       

Pimaricin Safety Profile

Poison by intravenous, intramuscular, subcutaneous, and intraperitoneal routes. Moderately toxic by ingestion. When heated to decomposition, it emits toxic fumes of NOx.
Hazard Codes:  HarmfulXn
Risk Statements:  22 
R22:Harmful if swallowed.
Safety Statements:  24/25-36 
S24/25:Avoid contact with skin and eyes. 
S36:Wear suitable protective clothing.
WGK Germany:  2
RTECS:  TK3325000
F:  8-10

Pimaricin Specification

 Pimaricin (CAS NO.7681-93-8) is a naturally occurring antifungal agent produced during fermentation by the bacterium Streptomyces natalensis, commonly found in soil. It has some synonyms like Natamycin ; Pimaricin approx. 2.5% aqueous*suspension gamma-I ; Pimafucin (pimaricin in 2.5% sterile water suspen ; Pimaricin, Streptomyces chattanoogensis (1.07360) and so on.

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