AFLATOXIN B2
- Name AFLATOXIN B2
- CAS 7220-81-7
- Purity 99%
Product Details
High quality purity >99% AFLATOXIN B2 7220-81-7 for sale
- Molecular Formula: C17H14 O6
- Molecular Weight: 314.295
- Melting Point: 286-289 °C
- Refractive Index: 1.4800 (estimate)
- Boiling Point: 521 °C at 760 mmHg
- Flash Point: 234 °C
- PSA： 74.97000
- Density: 1.52 g/cm3
- LogP: 2.15290
7220-81-7 Relevant articles
Kinetic and mechanistic investigations on reductions of aflatoxins by lactic acid
Shukla, Ram S.,Verma, Ramtej J.,Mehta, Daxa N.
, p. 2737 - 2741 (2002)
The kinetics of reduction of AFB1 to AFB...
Short, enantioselective total synthesis of aflatoxin B2 using an asymmetric [3+2]-cycloaddition step
Zhou, Gang,Corey
, p. 11958 - 11959 (2007/10/03)
A highly enantioselective [3+2]-cycloadd...
7220-81-7 Process route
-
![(-)-2,3,3aS,8aR-tetrahydro-4-hydroxy-6-methoxy[2,3-d]-benzo[b]furan](/upload/2026/11/3418d95d6cb940839c0b07c071448f12_0513a094-70aa-4dc3-9cf7-95249af09cc2.png)
-
6795-22-8
(-)-2,3,3aS,8aR-tetrahydro-4-hydroxy-6-methoxy[2,3-d]-benzo[b]furan
-
-
30694-05-4
ethyl 2-bromo-5-oxocyclopent-1-enecarboxylate
-
-
7220-81-7
aflatoxin B2
| Conditions | Yield |
|---|---|
|
With
sodium hydrogencarbonate; zinc(II) carbonate;
In
dichloromethane;
at 20 ℃;
for 20h;
|
36%
|
-
-
2880-58-2
2-methoxy-1,4-benzoquinone
-
-
7220-81-7
aflatoxin B2
| Conditions | Yield |
|---|---|
|
Multi-step reaction
with
8
steps
1.1: (R)-α,α-diphenyl-2-pyrrolidinemethanol derived catalyst / acetonitrile / 5 h / 20 °C
2.1: AcOH / 48 h / 110 °C
2.2: 40 percent / aq. H2
SO4
/ 1 h / 75 °C
3.1: 80 percent / DMAP; pyridine / CH2
Cl2
/ 2 h / 0 °C
4.1: tetrahydrofuran; diethyl ether / 2 h / -20 °C
5.1: 162 mg / Dess-Martin periodinane / CH2
Cl2
/ 3 h / 20 °C
6.1: 62.5 percent / urea-H2
O2
complex; trifluoroacetic anhydride / CH2
Cl2
/ 48 h / 20 °C
7.1: 60 percent / H2
; Raney nickel / methanol / 3 h / 20 °C
8.1: 36 percent / NaHCO3
; ZnCO3
/ CH2
Cl2
/ 20 h / 20 °C
With
pyridine; dmap; (R)-α,α-diphenyl-2-pyrrolidinemethanol derived catalyst; hydrogen; urea hydrogen peroxide adduct; nickel; sodium hydrogencarbonate; Dess-Martin periodane; acetic acid; zinc(II) carbonate; trifluoroacetic anhydride;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane; acetonitrile;
5.1: Dess-Martin oxidation / 6.1: Baeyer-Villiger oxidation;
|
|
|
Multi-step reaction
with
8
steps
1.1: (R)-α,α-diphenyl-2-pyrrolidinemethanol derived catalyst / acetonitrile; CH2Cl2 / 10 h / -78 - 20 °C
2.1: AcOH / 48 h / 110 °C
2.2: 40 percent / aq. H2
SO4
/ 1 h / 75 °C
3.1: 80 percent / DMAP; pyridine / CH2
Cl2
/ 2 h / 0 °C
4.1: tetrahydrofuran; diethyl ether / 2 h / -20 °C
5.1: 162 mg / Dess-Martin periodinane / CH2
Cl2
/ 3 h / 20 °C
6.1: 62.5 percent / urea-H2
O2
complex; trifluoroacetic anhydride / CH2
Cl2
/ 48 h / 20 °C
7.1: 60 percent / H2
; Raney nickel / methanol / 3 h / 20 °C
8.1: 36 percent / NaHCO3
; ZnCO3
/ CH2
Cl2
/ 20 h / 20 °C
With
pyridine; dmap; (R)-α,α-diphenyl-2-pyrrolidinemethanol derived catalyst; hydrogen; urea hydrogen peroxide adduct; nickel; sodium hydrogencarbonate; Dess-Martin periodane; acetic acid; zinc(II) carbonate; trifluoroacetic anhydride;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane; acetonitrile;
5.1: Dess-Martin oxidation / 6.1: Baeyer-Villiger oxidation;
|
7220-81-7 Upstream products
-
1162-65-8
aflatoxin B1
-
6795-22-8
(-)-2,3,3aS,8aR-tetrahydro-4-hydroxy-6-methoxy[2,3-d]-benzo[b]furan
-
30694-05-4
ethyl 2-bromo-5-oxocyclopent-1-enecarboxylate
-
865811-99-0
(-)-cis-5-trifluoromethanesulfonyloxy-2,3,3aS,8aR-tetrahydro-6-methoxy[2,3-d]-benzo[b]furan-4-carboxaldehyde
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