Ring expansion and chain extension process and reagents

Details Ring expansion and chain extension process and reagents Ring expansion and chain extension process and reagents

1980-07-03

1981-12-22

Shaver, Paul F.

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

Organic compounds

Silicon containing

556488, 568375, C07F 708

Patent

active

043072410

ABSTRACT:
Expansion of a ring structure and extension of a noncyclic structure containing a ketosulfone grouping in the ring by reaction with a 2-X-alkyl-3-allyl-trialkylsilane intermediate in which X is a leaving group and conversion to an expanded ring.

REFERENCES:
patent: 2715113 (1955-08-01), Gordon
patent: 3141898 (1964-07-01), Tiers
patent: 3231594 (1966-01-01), Speier

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