Silyl compounds

Details Silyl compounds Silyl compounds

1983-06-21

1986-03-18

Bond, Robert T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

514925, 514926, 514927, 514928, C07D21516

Patent

active

045770220

ABSTRACT:
The invention provides new silyl derivatives of 5,6,7,8-tetrahydroquinolines and related compounds. The tetrahydroquinolines are substiuted at the 8-position by the group SiR.sub.3 where R may be one of various hydrocarbon groups or an electron donating substituent. The 8-position may also carry a lithium, sodium or potassium atom. The new silyl derivatives may be prepared by treating a corresponding 8-lithio, sodio or potassio tetrahydroquinoline with a silyl halide R.sub.3 SiHal followed by a metal compound R*M where M is sodium, potassium or lithium and R* is alkyl, cycloalkyl, aralkyl or aryl or an amine residue. The new silyl derivatives are useful intermediates for the preparation of known 5,6,7,8-tetrahydroquinline-8-nitriles, amides and thioamides employing an alkyl silyl isothiocyanate or cyanate. The nitriles and thioamides are anti-ulcer agents. The related compounds may be made by analogous methods.

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