Spiro(bis)indane bis(carboxyphenyl ethers) and derivatives there

Details Spiro(bis)indane bis(carboxyphenyl ethers) and derivatives there Spiro(bis)indane bis(carboxyphenyl ethers) and derivatives there

1988-02-18

1989-03-21

Killos, Paul J.

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

Organic compounds

Carboxylic acids and salts thereof

560 56, 260544B, C07C 6206, C07C 6976

Patent

active

048144967

ABSTRACT:
Esters of spiro(bis)indane bis(carboxyphenyl ethers) are prepared by the reaction of spiro(bis)indane bisphenol di-(alkali metal) salts with nitro- or chloro-substituted benzoic acid esters, and may be converted to the free acids and thence to the acid chlorides. The latter are useful for preparation of macrocyclic polyamide oligomers.

REFERENCES:
patent: 4734482 (1988-03-01), Tamai et al.

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