Вы можете попробовать это решение.
<ng-container
*ngIf="'authenticate' !== this.currentUrl; then notauthenticated; else authenticate">
</ng-container>
<ng-template #notauthenticated>
<div id="page-content-wrapper">
<div class="container-fluid">
<div class="row">
<div class="col-sm-12">
<div class="row extranet-outlet-wrapper">
<router-outlet></router-outlet>
</div>
</div>
</div>
</div>
</div>
</ng-template>
<ng-template #authenticate>
<router-outlet></router-outlet>
</ng-template>