Simple and ecofriendly synthesis of dihydropyrimidinones (thiones), dihydropyridines, and pyridines using 3-formylchromones as substrates assisted by a recyclable Preyssler heteropolyacid

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.