NEW BENZOPYRAN DERIVATIVES

NEW BENZOPYRAN DERIVATIVES

Cpds of formula (I): (where R1 and R3 are alkyl; n = 1 or 2; A-B is CH-CH2 or C=CH; X is opt. esterified or etherified OH and Y is H or X + Y is oxo; W is (CH2)3ZR4, (CH2)2CH=CV-R5, (CH2)3COOR6 or (CH2)3CN; V is halogen; Z is ketalised CO or opt. esterified or etherified CHOH; R4 and R5 are alkyl; R...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WIECHERT R, EDER U, SAUER G, HAFFER G, RUPPERT J
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:Cpds of formula (I): (where R1 and R3 are alkyl; n = 1 or 2; A-B is CH-CH2 or C=CH; X is opt. esterified or etherified OH and Y is H or X + Y is oxo; W is (CH2)3ZR4, (CH2)2CH=CV-R5, (CH2)3COOR6 or (CH2)3CN; V is halogen; Z is ketalised CO or opt. esterified or etherified CHOH; R4 and R5 are alkyl; R6 is alkyl, aryl or aralkyl) are inters in the total synthesis of pharmacologically active steroids.