Take a look at HMC8113, ADPA1105, HMC8205B, ADPA1107, HMC7885 and HMC1086. These parts have varying levels of frequency coverage in the sub 6 GHz range. The widest band part would be HMC8205B.
You need a PLL which drives a frequency doubler which drives an amplifier. Possible choices might be ADF4371 (PLL), HMC1105 (frequency doubler) and HMC7229 (amplifier). These are not the only choices.
This part is EAR99. The attached RFIC selection guide lists the ECCN codes for all of ADI's RF products.