PROCESS IMPROVEMENT
An improved chemical synthesis for intermediates of compounds having useful biological activity is disclosed, where the use of PBr3 is employed as a reagent for a selective ring opening of cyclopropylcarbinols to give bromopropylidene products which are highly selectively the E isomer.
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | An improved chemical synthesis for intermediates of compounds having useful biological activity is disclosed, where the use of PBr3 is employed as a reagent for a selective ring opening of cyclopropylcarbinols to give bromopropylidene products which are highly selectively the E isomer. |
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