JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//code.jquery.com/jquery-1.11.3.min.js"></script>
<!-- HTML -->
<form name="meu_form">
   Teste campo: <input type="text" name="teste" required />
   <br />
   <button type='submit' class='btnOrig' style='display: none;'>Enviar que valida o required</button>
</form>

<button class='btnSubmit'>Enviar que não funciona a validação do required</button>

JavaScript

//Javascript
$(function(){
    $('form[name="meu_form"]').submit(function () {
        alert('Aqui faço as chamadas ajax...');
        
        return false;
    });

    $('.btnSubmit').click(function (){
        $('.btnOrig').click();
        //$('form[name="meu_form"]').submit();
    });
});