HCID 20469269, compound → HCID 53650404, compound

HRID 1278451Notes

Reaction equation

HRID 1278451 reaction equation
[O:1]=[C:2]1[CH:7]=[C:6]([O:8][CH:9]([CH3:11])[CH3:10])[CH2:5][CH:4]([CH3:12])[CH:3]1[C:13](OC)=O.[CH:17](=[C:21]([CH2:24]CCl)[CH2:22]Cl)[CH:18]([CH3:20])[CH3:19]>>[CH:17](=[C:18]1[CH2:20][CH2:13][C:3]2([CH:4]([CH3:12])[CH2:5][C:6]([O:8][CH:9]([CH3:10])[CH3:11])=[CH:7][C:2]2=[O:1])[CH2:19]1)[CH:21]([CH3:24])[CH3:22]

Participants

3

Reactant 2

HCID 20469269HCID 20469269, compoundHCID 54268837HCID 54268837, compound

Product 1

HCID 53650404HCID 53650404, compound

Procedure

Methyl 2-oxo-4-isopropoxy-6-methyl-3-cyclohexene carboxylate was reacted with 2-isobutylidene-1,4-dichlorobutane and the resultant alkylated carboxylate cyclized by the same method described in Example 2 to yield 2-isobutylidene-8-isopropoxy-10-methylspiro[4.5]dec-7-en-6-one having the structure: ##STR29## which was crystallized from petroleum ether, mp 88°-91° C.

Sources & evidence

ORD record
ord-ac5dfa3ddfbb42bca0aa034692566a0b
Source dataset
uspto-grants-1981_07
Patent number
US04281204

Reaction notes

Loading…