1'-Benzylspiro[indoline-3,4'-piperidine] → 4-(1'-Benzylspiro[indoline-3,4'-piperidin]-1-yl)-1-(3,4-dimethoxybenzoyl)-1,2,3,4-tetrahydroquinoline

Participants

Reaction Steps

Starting with 1-(3,4-dimethoxybenzoyl)-1,2,3,4-tetrahydro-4-quinolinol (250 mg, 0.76 mmol) prepared in Reference Example 2 and 1′-benzylspiro[indoline-3,4′-piperidine] (532 mg, 1.91 mmol), the same procedure as shown in Example 1 was repeated to give the product of interest, i.e., 4-(1′-benzylspiro[indoline-3,4′-piperidin]-1-yl)-1-(3,4-dimethoxybenzoyl)-1,2,3,4-tetrahydroquinoline (211 mg, yield: 48%) as a white crystal.

Provenance & Evidence