voy a comprarle

I'm going to buy him/her something

→ ir
phrase Rare #47,492
I'm going to buy him/her something The pronoun le refers to the person receiving the item, while the item may be stated afterward or understood from context.
SP: Voy a comprarle una taza a mi madre.
EN: I'm going to buy my mother a mug.

He comprado una corbata para Dan y voy a comprarle una bufanda a Elena.

I bought a tie for Dan, and I’m going to buy Elena a scarf.

Voy a comprarle algo de comer.

I'm going to buy him something to eat.

— Deseando amar (2000)

Voy a comprarle unos bollos a Belle.

I'm going to buy Belle some buns.

— Uno de los nuestros (1990)

Voy a comprarle un regalo a Emily.

I'm going to buy Emily a gift.