Cas no 85753-43-1 (K-252c)

K-252c structure
K-252c structure
Product Name:K-252c
CAS No:85753-43-1
MF:C20H13N3O
MW:311.336724042892
MDL:MFCD00236435
CID:725084
Update Time:2024-10-26

K-252c Chemical and Physical Properties

Names and Identifiers

    • 6,7,12,13-tetrahydro-5H-Indolo[2,3-a]pyrrolo[3,4-c]carbazol-5-one
    • K252c
    • 5H-Indolo[2,3-a]pyrrolo[3,4-c]carbazol-5-one,6,7,12,13-tetrahydro-
    • 6,7,12,13-Tetrahydro-5H-indolo-[2,3-a]pyrrolo[3,4-c]carbazol-5-one
    • K-252c
    • K-252c,6,7,12,13-Tetrahydro-5H-indolo[2,3-a]pyrrolo[3,4-c]carbazol-5-one
    • staurosporine aglycon
    • STAUROSPORINE AGLYCONE
    • Staurosporinone
    • Staurosporinone,K-252c
    • 6,7,12,13-Tetrahydro-5H-indolo[2,3-a]pyrrolo[3,4-c]carbazol-5-one (ACI)
    • Antibiotic K 252c
    • K 252c
    • SD 1825
    • MDL: MFCD00236435
    • Inchi: 1S/C20H13N3O/c24-20-17-12(9-21-20)15-10-5-1-3-7-13(10)22-18(15)19-16(17)11-6-2-4-8-14(11)23-19/h1-8,22-23H,9H2,(H,21,24)
    • InChI Key: MEXUTNIFSHFQRG-UHFFFAOYSA-N
    • SMILES: O=C1C2C3=C(C4=C(C=2CN1)C1C(=CC=CC=1)N4)NC1C3=CC=CC=1

Computed Properties

  • Exact Mass: 311.10600

Experimental Properties

  • Solubility: DMSO: 10?mg/mL, soluble
  • Water Partition Coefficient: Soluble in DMSO at 25mM. Also soluble in methanol. Insoluble in water.
  • PSA: 60.68000
  • LogP: 4.52780

K-252c Security Information

  • Hazardous Material transportation number:NA 1993 / PGIII
  • WGK Germany:3
  • Safety Instruction: S22; S24/25

K-252c Customs Data

  • HS CODE:2933990090
  • Customs Data:

    China Customs Code:

    2933990090

    Overview:

    2933990090. Other heterocyclic compounds containing only nitrogen heteroatoms. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to, Please indicate the appearance of Urotropine, 6- caprolactam please indicate the appearance, Signing date

    Summary:

    2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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K-252c Production Method

Production Method 1

Reaction Conditions
1.1 Catalysts: Palladium chloride Solvents: Dimethylformamide ;  1 h, 90 °C
2.1 Reagents: Tin ,  Hydrochloric acid Solvents: Acetic acid ;  4 h, 100 °C
Reference
Friedel-Crafts alkylation on indolocarbazoles catalyzed by two dimethylallyltryptophan synthases from Aspergillus
Yu, Xia; et al, Tetrahedron Letters, 2012, 53(50), 6861-6864

Production Method 2

Reaction Conditions
1.1 Reagents: Aluminum chloride Solvents: Anisole ;  1 h, 0 °C → 110 °C
Reference
A General Carbazole Synthesis via Stitching of Indole-Ynones with Nitromethanes: Application to Total Synthesis of Carbazomycin A, Calothrixin B, and Staurosporinone
Singh, Shweta; et al, Organic Letters, 2019, 21(9), 3372-3376

Production Method 3

Reaction Conditions
1.1 Reagents: Potassium carbonate Solvents: Methanol ,  Tetrahydrofuran ;  overnight, reflux
Reference
Bronsted Acid Catalyzed One-Pot Benzannulation of 2-Alkenylindoles under Aerial Oxidation: A Route to Carbazoles and Indolo[2,3-a]carbazole Alkaloids
Saha, Shuvendu; et al, Organic Letters, 2018, 20(21), 6920-6924

Production Method 4

Reaction Conditions
1.1 Solvents: Methanol ,  Dimethyl sulfoxide
Reference
A short synthesis of staurosporinone (K-252c)
Gaudencio, Susana P.; et al, Tetrahedron Letters, 2003, 44(12), 2577-2578

Production Method 5

Reaction Conditions
1.1 Reagents: Anisole ,  Aluminum chloride ;  1 h, 110 °C
Reference
Synthesis of N-Protected Staurosporinones
Wada, Yasuhiro; et al, Journal of Organic Chemistry, 2007, 72(6), 2008-2014

Production Method 6

Reaction Conditions
1.1 Reagents: Triethyl phosphite
Reference
Synthesis of the staurosporine aglycon
Moody, Christopher J.; et al, Journal of Organic Chemistry, 1992, 57(7), 2105-14

Production Method 7

Reaction Conditions
Reference
Direct construction of carbazoles from 2-methyl-indole-3-carbaldehydes and enals
Liu, Dehai; et al, Green Chemistry, 2019, 21(5), 968-972

Production Method 8

Reaction Conditions
1.1 Reagents: Ammonium acetate ;  3 h, 140 °C
2.1 -
Reference
Molecular iodine assisted electrocyclisation: Synthesis of arcyriaflavin A and formal synthesis of staurosporinone
Torney, Prachi; et al, Synlett, 2014, 25(15), 2121-2126

Production Method 9

Reaction Conditions
1.1 Reagents: Mercury alloy, nonbase, Hg,Zn
2.1 Reagents: Hydrochloric acid ,  Mercury alloy, nonbase, Hg,Zn Solvents: Ethanol ,  Toluene
Reference
A facile synthesis of staurosporine aglycon
Xie, Guojian; et al, Tetrahedron Letters, 1994, 35(31), 5555-8

Production Method 10

Reaction Conditions
1.1 Solvents: Bromobenzene
2.1 Reagents: Triethyl phosphite
Reference
Synthesis of the staurosporine aglycon
Moody, Christopher J.; et al, Journal of Organic Chemistry, 1992, 57(7), 2105-14

Production Method 11

Reaction Conditions
1.1 Reagents: Anisole ,  Aluminum chloride ;  1 h, 110 °C
Reference
Synthesis of N-Protected Staurosporinones
Wada, Yasuhiro; et al, Journal of Organic Chemistry, 2007, 72(6), 2008-2014

Production Method 12

Reaction Conditions
1.1 Reagents: Tin ,  Hydrochloric acid Solvents: Acetic acid ,  Water ;  100 °C
Reference
Novel cycloalkene indole carbazole alkaloids via the ring-closing metathesis reaction
Wilson, Lawrence J.; et al, Tetrahedron Letters, 2007, 48(41), 7399-7403

Production Method 13

Reaction Conditions
1.1 Reagents: Tin ,  Hydrochloric acid Solvents: Acetic acid ,  Water ;  2 h, 100 °C; 2 h, 100 °C
Reference
Synthetic staurosporines via a ring closing metathesis strategy as potent JAK3 inhibitors and modulators of allergic responses
Wilson, Lawrence J.; et al, Bioorganic & Medicinal Chemistry Letters, 2009, 19(12), 3333-3338

Production Method 14

Reaction Conditions
1.1 Reagents: Tin ,  Hydrochloric acid Solvents: Acetic acid ,  Water ;  5 h, 110 °C
Reference
Simplified staurosporine analogs as potent JAK3 inhibitors
Yang, Shyh-Ming; et al, Bioorganic & Medicinal Chemistry Letters, 2007, 17(2), 326-331

Production Method 15

Reaction Conditions
1.1 Reagents: Palladium diacetate
1.2 Reagents: Lithium aluminum hydride
1.3 Catalysts: Palladium
Reference
A New, Efficient Method for the Synthesis of Bisindolylmaleimides
Faul, Margaret M.; et al, Journal of Organic Chemistry, 1998, 63(17), 6053-6058

Production Method 16

Reaction Conditions
1.1 Reagents: Potassium carbonate Solvents: Methanol ,  Tetrahydrofuran ;  10 h, reflux
1.2 Solvents: Water ;  0 °C
Reference
Synthetic Studies on Indolocarbazoles: A Facile Synthesis of Staurosporinone Analogues
Raju, Potharaju; et al, European Journal of Organic Chemistry, 2015, 2015(32), 7131-7145

Production Method 17

Reaction Conditions
1.1 Reagents: Potassium carbonate Solvents: Methanol ,  Tetrahydrofuran ;  10 h, reflux
Reference
Synthetic studies on indolocarbazoles: total synthesis of Staurosporine Aglycon
Rajeshwaran, Ganesan Gobi; et al, Organic Letters, 2011, 13(6), 1418-1421

Production Method 18

Reaction Conditions
1.1 Solvents: Decalin ,  Triethyl phosphite ;  overnight, reflux
1.2 Reagents: Potassium carbonate Solvents: Methanol ,  Tetrahydrofuran ;  overnight, reflux
Reference
Bronsted Acid Catalyzed One-Pot Benzannulation of 2-Alkenylindoles under Aerial Oxidation: A Route to Carbazoles and Indolo[2,3-a]carbazole Alkaloids
Saha, Shuvendu; et al, Organic Letters, 2018, 20(21), 6920-6924

Production Method 19

Reaction Conditions
1.1 Reagents: Triethyl phosphite Solvents: 1,2-Dichlorobenzene ;  12 h, reflux
2.1 Reagents: Potassium carbonate Solvents: Methanol ,  Tetrahydrofuran ;  10 h, reflux
2.2 Solvents: Water ;  0 °C
Reference
Synthetic Studies on Indolocarbazoles: A Facile Synthesis of Staurosporinone Analogues
Raju, Potharaju; et al, European Journal of Organic Chemistry, 2015, 2015(32), 7131-7145

Production Method 20

Reaction Conditions
1.1 Reagents: Hydrogen Catalysts: Palladium Solvents: Ethanol
Reference
Oxidative cyclizations with palladium acetate. A short synthesis of staurosporine aglycon
Harris, William; et al, Tetrahedron Letters, 1993, 34(51), 8361-4

Production Method 21

Reaction Conditions
1.1 Reagents: Tetrabutylammonium iodide ,  Boron trichloride Solvents: Dichloromethane ,  1,2-Dichlorobenzene ;  30 min, 210 °C
Reference
The total synthesis of K-252c (staurosporinone) via a sequential C-H functionalization strategy
Fox, J. C.; et al, Chemical Science, 2016, 7(4), 2706-2710

Production Method 22

Reaction Conditions
1.1 Solvents: Triethyl phosphite
Reference
Synthesis of the staurosporine aglycon
Moody, Christopher J.; et al, Journal of the Chemical Society, 1990, (23), 1667-8

Production Method 23

Reaction Conditions
1.1 Catalysts: Dirhodium tetraacetate
Reference
Intermolecular metal-catalyzed carbenoid cyclopropanations
Davies, Huw M. L.; et al, Organic Reactions (Hoboken, 2001, 57,

Production Method 24

Reaction Conditions
1.1 Solvents: Dimethyl sulfoxide
Reference
Production of the staurosporine aglycon K-252c with a blocked mutant of the staurosporine producer strain Streptomyces longisporoflavus and by biotransformation of staurosporine with Streptomyces mediocidicus ATCC 13279
Goeke, K.; et al, Journal of Antibiotics, 1995, 48(5), 428-30

Production Method 25

Reaction Conditions
Reference
Synthesis of 2,2'-biindole: formal synthesis of arcyriaflavin-A and staurosporinone (K-252c)
Parvatkar, P. T.; et al, Asian Journal of Chemistry, 2012, 24(5), 2213-2215

Production Method 26

Reaction Conditions
1.1 Solvents: Bromobenzene
2.1 Solvents: Triethyl phosphite
Reference
Synthesis of the staurosporine aglycon
Moody, Christopher J.; et al, Journal of the Chemical Society, 1990, (23), 1667-8

K-252c Raw materials

K-252c Preparation Products

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