| abstract |
PREPARATION PROCEDURE FOR GENERAL FORMULA STREPTOGRAMS (I) IN WHICH R SUB, 1} IS EITHER METHYL OR ETHYL, R SUB, 2} IS HYXEY TOGETHER A RADICAL OXO, OR R SUB, 1} IS ETHYL, R SUB, 2} AND X REPRESENT HEYU OH, OR R SUB, 1} IS ETHYL, R SUB, 2} IS OH YXEY TOGETHER TOGETHER A RADICAL OXO, BY DISMILLATION OF A SYNERGISTINE DERIVATIVE OF GENERAL FORMULA (II) IN WHICH R SUB, 1}, R SUB, 2}, XEY ARE DEFINED AS PREVIOUSLY, BY TREATMENT WITH A PERIODATE IN ACETIC MEDIUM FOLLOWED BY A TREATMENT IN AQUEOUS MEDIUM. |