Hydrogen Sulfide → HCID 20443839, compound

HRID 1632179Notes

Reaction equation

HRID 1632179 reaction equation
[C:1]([C:3]1[C:8](=[O:9])[NH:7][C:6]2[O:10][CH2:11][C:12]3[CH:17]=[CH:16][CH:15]=[CH:14][C:13]=3[C:5]=2[CH:4]=1)#[N:2].N1C=CC=CC=1.[SH2:24]>C(N(CC)CC)C>[CH:4]1[C:5]2[C:13]3[CH:14]=[CH:15][CH:16]=[CH:17][C:12]=3[CH2:11][O:10][C:6]=2[NH:7][C:8](=[O:9])[C:3]=1[C:1](=[S:24])[NH2:2]

Participants

5

Reactant 3

HCID 402Hydrogen SulfideHCID 1049PyridineHCID 13326595HCID 13326595, compound

Product 1

HCID 20443839HCID 20443839, compound

Reagents, catalysts & solvents 1

HCID 8471TriethylamineSolvent

Procedure

Add 4.20 gm of 2-cyano-4,6-dihydro-3H[2]benzopyrano[3,4-b]-pyridin-3-one to 50 gm of pyridine. Add 3.0 ml of triethylamine to the system. Cool the system to 0°-5° and treat the system with hydrogen sulfide gas until the reaction is complete as indicated by thin layer chromatography. Isolate the title compound.

Workup

  1. temperatureCool the system to 0°-5°

Sources & evidence

ORD record
ord-bd6bdbbb1de245d284eb04ca648d569d
Source dataset
uspto-grants-1984_10
Patent number
US04474786

Reaction notes

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