Hydrochloric Acid → HCID 20304582, compound

HRID 236955Notes

Reaction equation

HRID 236955 reaction equation
N[C:2]1[C:15]2[C:14](=[O:16])[CH:13]=[C:12]([C:17]([O:19]CC)=[O:18])[O:11][C:10]=2[C:9]([CH2:22][CH2:23][CH3:24])=[C:8]2[C:3]=1[CH2:4][CH2:5][CH2:6][CH2:7]2.N([O-])=O.[Na+].[ClH:29]>O>[Cl:29][C:2]1[C:15]2[C:14](=[O:16])[CH:13]=[C:12]([C:17]([OH:19])=[O:18])[O:11][C:10]=2[C:9]([CH2:22][CH2:23][CH3:24])=[C:8]2[C:3]=1[CH2:4][CH2:5][CH2:6][CH2:7]2

Participants

5

Reactant 3

HCID 313Hydrochloric AcidHCID 12327569HCID 12327569, compoundHCID 23668193Sodium Nitrite

Product 1

HCID 20304582HCID 20304582, compound

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

Ethyl 5amino-6,7,8,9-tetrahydro-4-oxo-10-propyl-4H-naphtho[2,3-b]pyran-2-carboxylate (7.2 g) in concentrated hydrochloric acid (90 ml) was treated with sodium nitrite (1.8 g) in water (15 ml) with stirring at 0° over 15 minutes.

Sources & evidence

ORD record
ord-0d9666372f3644cfbd7be4982aedbcaa
Source dataset
uspto-grants-1979_06
Patent number
US04159273

Reaction notes

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