40322-47-2
4-(hydroxymethylidene)-2,3-dihydro-1-benzothiepin-5-one
+
98-88-4
苯甲酰氯
→
~76%
89650-00-0
(5-oxo-2,3-dihydro-1-benzothiepin-4-ylidene)methyl benzoate
21609-70-1
3,4-dihydro-2H-1-benzothiepin-5-one