my shim config

FileStructure

Folder
| Public
| | Js
| | | app
| | | | views
| | | | | topbar.js
| | | | pages
| | | | | main.js
| | | libs
| | | | backbone.js

main.js

require.config({
  baseUrl: 'js',
	paths:{
			libs:"libs",
			templates: "app/templates",
			collections: "app/collections",
			models: "app/models",
			pages: "app/pages",
			views: "app/views",
			backbone: "libs/backbone"
	},
	shim:{
		handlebars:{
			exports: 'Handlebars'
		},
		underscore:{
			exports:"_"
		},
		backbone:{
			deps:["libs/underscore","libs/jquery"],
			exports:"Backbone"
		}
	}
});

require(['libs/jquery','views/topbar'],function($,TopBar){
		console.log($);
		var topbar = new TopBar({el:$("body")});
});

topbar.js

define([
  'libs/jquery',
	'libs/underscore',
	'libs/backbone',
	'libs/handlebars'],
	function($,_,Backbone,Handlebars){
		console.log(Backbone);
		/*return Backbone.View.extend({
			initialize: function(){

			},
			render: function(){
				var data = {
					"logo":"tuvivi.png",
					"titulo":"Tuvivi",
					"subtitulo": "Certificados de regalo online",
					"facebook-url": "https://www.facebook.com/tuvivicom",
					"twitter-url": "https://twitter.com/tuvivi",
					"instagram-url": "http://instagram.com/tuvivicom"
				};	
				var template = Handlebars.compile(menuhbs);
				$(this.el).html(template(data));
			}
		});*/
	}
);