Synthesis of oxygen-substituted benzocycloheptenes as valuable intermediate products for the production of tissue-selective estrogens

The invention relates to intermediate products and a new process for the production of benzocycloheptene C. 1 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...

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Bibliographische Detailangaben
Hauptverfasser: Platzek, Johannes, Beckmann, Wolfgang, Geisler, Jens, Kirstein, Holger, Niedballa, Ulrich, Ottow, Eckhard, Radau, Sigmar, Schulz, Claudia, Wessa, Thomas
Format: Patent
Sprache:eng
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Zusammenfassung:The invention relates to intermediate products and a new process for the production of benzocycloheptene C. 1 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.