creation of bom and after running mrprun, planned orders are not in md04

Dear Sap Gurus,

I had created a bom for finished product which contains semifinished product and rawmateria. so a finished product bom and semifinished product created.

I had run mrp md51 for finished product and it has displayed so materials exist for the finished product and i check in md04 only reservation for the network is displayed but planned order is not displayed so due to this i am unable to raise purchase requisitions and unable to do conversion of planned order to production order.

Is there no way to do conversion of planned order to production order through order reservation.

So, I kindly request anybody to help me how to get the planned order after running the mrp.

regards,

muralidhar putta.