ANALOGIFREMGANGSMAATE FOR FREMSTILLING AV DIARYLACETYLEN

Diarylacetylenes of the formula I I where R1 is hydrogen or C1-C4-alkyl, R2 and R3 are each hydrogen or, when R1 is hydrogen, together form a -C(CH3)2-B-C(CH3)2- group (where B is -CH2Ch2- or -CH(CH3)-) or -OC(Ch3) (Z)CH2CH2- group (where Z is C1-C2-alkyl) or R2 is C1-C3-alkoxy and R3 is C1-C10-alky...

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Bibliographic Details
Main Authors WUEST, HANS-HEINER, JANSSEN, BERND
Format Patent
LanguageNorwegian
Published 27.10.1993
Edition5
Subjects
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Summary:Diarylacetylenes of the formula I I where R1 is hydrogen or C1-C4-alkyl, R2 and R3 are each hydrogen or, when R1 is hydrogen, together form a -C(CH3)2-B-C(CH3)2- group (where B is -CH2Ch2- or -CH(CH3)-) or -OC(Ch3) (Z)CH2CH2- group (where Z is C1-C2-alkyl) or R2 is C1-C3-alkoxy and R3 is C1-C10-alkyl or, when R2 is hydrogen, R1 and R3 are each alkyl as defined above, R4 is C1-C6-alkyl and n is 0, 1 or 2, are prepared as described and used as active compounds in drugs and cosmetics.
Bibliography:Application Number: NO19900003460