4-Morpholin-4-Yl-Butyric Acid Hydrochloride → 1,2,3,4-Tetrahydrocyclopenta[c][1]benzopyran hydrochloride

HRID 267346Notes

Reaction equation

HRID 267346 reaction equation
C([CH:3]1[C:11]2[C:10]3[C:12](O)=[CH:13][C:14](C(C(C)CCCCC)C)=[CH:15][C:9]=3[O:8][C:7](C)(C)[C:6]=2[CH2:5][CH2:4]1)C.[ClH:28].O1CCN(CCCC(O)=O)CC1>>[ClH:28].[CH2:3]1[C:11]2[C:10]3[CH:12]=[CH:13][CH:14]=[CH:15][C:9]=3[O:8][CH2:7][C:6]=2[CH2:5][CH2:4]1

Participants

3

Reactant 2

HCID 127337464-Morpholin-4-Yl-Butyric Acid HydrochlorideHCID 215555161-Ethyl-4,4-dimethyl-9-hydroxy-7-(3-methyl-2-octyl)-1,2,3,4-tetrahydrocyclopenta[c][1]benzopyran

Product 1

HCID 867331101,2,3,4-Tetrahydrocyclopenta[c][1]benzopyran hydrochloride

Procedure

1-Ethyl-4,4-dimethyl-9-hydroxy-7-(3-methyl-2-octyl)-1,2,3,4-tetrahydrocyclopenta[ c][1]benzopyran from Example 30 is reacted with γ-morpholinobutyric acid hydrochloride following the procedure of Example 5 to produce 1-ethyl-4,4-dimethyl-7-(3-methyl-2-octyl)-9-[4-morpholino)butyryloxy]-1,2,3,4-tetrahydrocyclopenta[ c][1]benzopyran hydrochloride.

Sources & evidence

ORD record
ord-0e2e804381264201830c075e48c54523
Source dataset
uspto-grants-1976_03
Patent number
US03941782

Reaction notes

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