Preparation of 2-substituted 1,3,4-thiadiazoles and mesoionic 1,3,4-thiadiazole[3,2-c]quinazolines from 4H-3,1-benzothiazine-4-thiones or 3-amino-4(3H)-quinazolinethiones

The file will be sent to you via the Telegram messenger. It may take up to 1-5 minutes before you receive it.

Note: Make sure you have linked your account to Z-Library Telegram bot.

The file will be sent to your Kindle account. It may take up to 1–5 minutes before you receive it.

Please note: you need to verify every book you want to send to your Kindle. Check your mailbox for the verification email from Amazon Kindle.