Sulfuric Acid → HCID 19389181, compound

HRID 1088901Notes

Reaction equation

HRID 1088901 reaction equation
S(=O)(=O)(O)O.[N+:6]([C:9]1[CH:15]=[C:14]([N+:16]([O-:18])=[O:17])[CH:13]=[C:11]([OH:12])[C:10]=1[OH:19])([O-:8])=[O:7]>CC(OC(C)=O)=O>[C:11]([O:12][C:11]1[CH:13]=[C:14]([N+:16]([O-:18])=[O:17])[CH:15]=[C:9]([N+:6]([O-:8])=[O:7])[C:10]=1[O:19][C:10](=[O:19])[CH3:9])(=[O:12])[CH3:13]

Participants

4

Reactant 2

HCID 1118Sulfuric AcidHCID 38702033,5-Dinitrocatechol

Product 1

HCID 19389181HCID 19389181, compound

Reagents, catalysts & solvents 1

HCID 7918Acetic AnhydrideSolvent

Procedure

A catalytic amount of concentrated sulfuric acid was added to a solution containing 2.0 g of 3,5-dinitrocatechol in 15 ml of acetanhydride and the solution was mixed for 1/2 hours in 50°-60° C. Ice water was added to the reaction mixture and the solution was mixed in 0° C. whereby the product was crystallized. The product was filtered and washed with water and dried. Yield 2.75 g (97%), m.p. 115°-117° C.

Workup

  1. additionthe solution was mixed for 1/2 hours in 50°-60° C
  2. additionthe solution was mixed in 0° C. whereby the product
  3. customwas crystallized
  4. filtrationThe product was filtered
  5. washwashed with water
  6. customdried

Sources & evidence

ORD record
ord-e30843d8cc134af2af745598892118ad
Source dataset
uspto-grants-1990_10
Patent number
US04963590

Reaction notes

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