annulation meaning in Hindi

Examples

1. A common synthetic annulation reaction is the Robinson annulation.
2. A common synthetic annulation reaction is the Robinson annulation.
3. Alkynyl thioethers and ynamines have been used as reactants in the annulation reaction.
4. The Danheiser benzannulation is a regiocontrolled phenol annulation.
5. This annulation provides an efficient route to form an aromatic ring in one step.
6. Specifically, the synthesis of cortisone is completed through the use of the Robinson annulation.
7. An efficient one-pot route entails annulation of cyclopentadiene with unsaturated C 5-synthons.
8. The Michael addition is an important tandem sequence of Michael and aldol additions is the Robinson annulation.
9. They are of a light yellowish-brown color, the legs having light-dark annulation.
10. The quaternary carbon was introduced by asymmetric Robinson annulation reaction mediated by an L-proline derivative.