Metal-free and benign approach for the synthesis of dihydro-5′ H -spiro[benzo[ c ]chromene-8,4′-oxazole]-5′,6(7 H )-dione scaffolds as masked amino acids

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.