Intermediate products, methods for their preparation and use...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

Reexamination Certificate

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C526S317100, C526S227000, C526S258000, C526S347200, C526S346000

Reexamination Certificate

active

07019094

ABSTRACT:
Novel solid supported intermediate products of the general formulacoupled to a solid polymeric support through one or both of the R1groups or through the R4group which are suitable for synthesis of heterocyclic compounds are disclosed. Methods for preparing such intermediate products are also disclosed and also the use of the intermediate products in simple and fast methods on solid phase for synthesis of heterocycles.

REFERENCES:
patent: 99/38993 (1999-08-01), None
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