| 摘要 |
Novel derivatives of 2,3-dihydro-5H-thiazolo[2,3-b]quinazoline, such as (3-oxo-5H-thiazolo[2,3-b]quinazolin-2(3H)-ylidene)acetic acid ethyl ester, N-Benzyl-[3-oxo-5H-thiazolo[2,3-b]quinazolin-2(3H)-ylidene]acetamide, N-tertbutyl-N-benzyl-(3-oxo-5H-thiazolo[2,3-b]quinazolin-2(3H)-ylidene )acetamide, and 2,3-dihydro-3-oxo-5H-thiazolo[2,3-b]quinazoline-2-acetic acid methyl ester; useful as immunomodulators.
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