Chlorosulfonyl isocyanate → HCID 13647648, compound

HRID 978683Notes

Reaction equation

[CH2:1]1[O:12][C:11]2[CH:10]=[C:9]3[C:5]([CH2:6][C:7](=[O:13])[NH:8]3)=[CH:4][C:3]=2[O:2]1.ClS([N:18]=[C:19]=[O:20])(=O)=O>>[CH2:1]1[O:12][C:11]2[CH:10]=[C:9]3[C:5]([CH2:6][C:7](=[O:13])[N:8]3[C:19]([NH2:18])=[O:20])=[CH:4][C:3]=2[O:2]1

Participants

Reactant 2

HCID 70918Chlorosulfonyl isocyanate

HCID 212821015,6-Methylenedioxyoxindole

Product 1

HCID 13647648HCID 13647648, compound

Procedure

5,6-Methylenedioxy-2-oxindole-1-carboxamide was prepared by reaction of 5,6-methylenedioxy-2-oxindole with chlorosulfonyl isocyanate, followed by hydrolysis, using the procedure of Example 3. The product melted at 237°-238° C. (dec.) after recrystallization from acetic acid.

Workup

customfollowed by hydrolysis
customThe product melted at 237°-238° C. (dec.) after recrystallization from acetic acid

Sources & evidence

ORD record: ord-ce63fb6d698749cfa2386372fcc7b589
Source dataset: uspto-grants-1987_05
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04665194

Reaction notes

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