Synthesis of oxygen-substituted benzocycloheptenes as...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C546S341000, C548S346100, C549S080000, C568S319000, C568S633000, C562S456000

Reexamination Certificate

active

07321044

ABSTRACT:
The invention relates to intermediate products and a new process for the production of benzocycloheptene C.The process for the production of its new intermediate products according to the invention starts from economical starting materials, provides the intermediate stages in high yields and high purity, without chromatographic purification steps, and allows production on an industrial scale.

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Database Crossfire Beilstein, Beilstein Institut Zur Förderung der Chemischen Wissenchaften, Frankfurt am Main, DE: Database accession No. Reaction ID 3136119, XP002230026.
Database Crossfire Beilstein, Beilstein Institut Zur Förderung der Chemischen Wissenchaften, Frankfurt am Main, DE: Database accession No. BRN 5565189, XP002230027.
Database Crossfire Beilstein, Beilstein Institut Zur Förderung der Chemischen Wissenchaften, Frankfurt am Main, DE: Database accession No. BRN 4010819, XP002230028.

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