alpha-Chloro-o-xylene → 4-Chloromethylbenzocyclobutene
Reaction equation
[Cl:1][CH2:2][C:3]1[CH:10]=[CH:9][CH:8]=[C:5]2[CH2:6][CH2:7][C:4]=12.CC1C=CC=CC=1[CH2:14][Cl:15]>>[Cl:15][CH2:14][C:4]12[CH:3]=[CH:10][CH:9]=[CH:8][CH:5]1[CH2:6][CH2:7]2.[Cl:1][CH2:2][C:3]1[CH:10]=[CH:9][CH:8]=[C:5]2[CH2:6][CH2:7][C:4]=12Participants
4
Procedure
Preparation of 4-chloromethylbenzocyclobutene was also effected by a similar procedure beginning with o-methylbenzyl chloride, however, the procedure yielded about a 1:2 mixture of 3-chloromethylbenzocyclobutene and 4-chloromethylbenzocyclobutene.
Sources & evidence
- ORD record
- ord-72872c6d8d0b492aaabf85e6f60cec08
- Source dataset
- uspto-grants-1990_12
- Patent number
- US04978721
Reaction notes
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