C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 49/04 (2006.01) C07C 45/51 (2006.01) C07C 45/62 (2006.01) C07C 45/71 (2006.01) C07C 49/203 (2006.01)
Patent
CA 2323301
Process for the preparation of unsaturated 4,5-allene ketones by reaction of tertiary propargyl alcohols with alkenyl alkyl ethers or ketals in the presence of aliphatic sulfonic acids or sulfonic acid salts.
Drapal Bernd
Hubner Frank
Huthmacher Klaus
Krill Steffen
Peter Rainer
Degussa Ag
Degussa-Huls Aktiengesellschaft
Marks & Clerk
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