Task: Text Categorization
Input (English): The 2,3- rearrangement of this name makes homoallylic alcohols from allyl ethers. The better-known reaction of this name involves a betaine intermediate, especially under conditions of excess lithium salts in the (*) Schlosser modification. For 10 points give the common name of these two reactions, the better-known of which is a synthesis of alkenes from carbonyl compounds using phosphonium ylides.
Output (English): Science