thumb|right|130px|1,3-thiazepine thumb|right|130px|1,4-thiazepine thumb|Diltiazem. 1,4-thiazepine is the seven membered ring in the middle. Thiazepines are substituted thiepins, with a nitrogen replacing a carbon in the seven-membered heterocyclic compound. Depending on the location of the nitrogen, one distinguishes 1,3-thiazepine and 1,4-thiazepine.
thumb|right|130px|1,3-thiazepine thumb|right|130px|1,4-thiazepine thumb|Diltiazem. 1,4-thiazepine is the seven membered ring in the middle. Thiazepines are substituted thiepins, with a nitrogen replacing a carbon in the seven-membered heterocyclic compound. Depending on the location of the nitrogen, one distinguishes 1,3-thiazepine and 1,4-thiazepine.
Benzothiazepines have a single benzene attached to the ring, while dibenzothiazepines have two. Diltiazem, a benzothiazepine, is a calcium channel blocker intermediate in properties between verapamil and the dihydropyridines. It is used to treat variant angina (Prinzmetal's angina), either naturally occurring or drug-induced and stable angina.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).