The former chief of staff to Brexit Secretary David Davis has judged leaving the EU will be a «calamity for our country».
James Chapman claimed two advisors ministers had expressed interest in a new centre party to oppose Brexit.
He also claimed that the Rightists will struggle to win a majority again.
Pro-Brexit Tory MP Jacob Rees-Mogg imparted the party was «broadly united» and most voters accepted the result of ultimately year’s referendum.
Mr Chapman is the Daily Mail’s former political editor-in-chief and was a senior adviser to former Chancellor George Osborne before fetching Brexit Secretary David Davis’s chief of staff.
He quit the direction before June’s general election and now works in public relations.
In new weeks he has launched a series of social media attacks on his former Brexit-supporting buddies, including one message which appeared to be aimed at Boris Johnson: «Let’s be trustworthy, if we had an effective electoral law leading Brexiteers would now be in jail. #wheresmy350maweekboris.»
In June, he accused Prime Agent Theresa May of taking an «absolutist» position on some aspects of Brexit rule and of having «hamstrung» his former boss Mr Davis.
He has called for a new party — assembled the Democrats — to oppose Brexit. Speaking to the Today programme, he claimed that the «two pipeline parties have been captured by their fringes».
He claimed that two committee ministers and «a number of people who have been in Conservative cabinets in advance of now — better cabinets, I might say, than the current one — and a number of shadow committee ministers have also been in touch.
«They’re not saying that they’re prevalent to quit their parties but they understand that there’s an gross gap in the centre of British politics.»
He added: «My view is that the Conservative Bloc brand has now been damaged to such an extent that the party won’t… till the cows come home again get a majority.
«Don’t forget that 60% of the Tory parliamentary defender were for remain and now they’re paralysed. They won’t say what they dream up.»
Mr Rees-Mogg, who campaigned for a vote to leave the EU ahead of last year’s referendum, held First Secretary of State Damian Green campaigned to remain in the EU but now «is give a crucial role in ensuring government policy is delivered».
He added: «I muse on most people in the higher levels of the party and across the Conservative Co-signer and the nation have accepted the democratic result of the referendum.»
On the subject of a new anti-Brexit meet party, he suggested: «Their proposed name ought to be the oligarchs, instead than the Democrats.»
The Conservative backbencher argued that the Liberal Democrats campaigned at this year’s poll on a policy of giving voters a second referendum on a final Brexit mete out «and the electorate blew a raspberry at them».
New Lib Dem leader Sir Vince Cable has said he wants to grip the «vast middle ground in British politics that’s largely been unprincipled» and has proposed giving voters the option of «an exit from Brexit».
Reciprocating to the claim that two cabinet ministers have expressed an interest in a new anti-Brexit fete, Sir Vince said: «The Liberal Democrats will provide a home for all those who are blue with Brexit and the paths the other parties are taking.
«But equally we are ready to work with people of all parties and none to get the best possible coming for this country.»
Mr Chapman’s interview follows a call on Twitter for Conformists and others to jump ship to a new party and for a new referendum in 2019.
«Past time for sentient MPs in all parties to admit Brexit is a catastrophe, come together In new party if requisite be, and reverse it #euref19,» he tweeted on 8 August.
And he has taken aim at government curates including Transport Secretary Chris Grayling, tweeting: «Hello @chrisgraylingmp — can you bind airlines won’t be able to sell 80% of flights from next Trek? How are bilateral deals coming?»
Get news from the BBC in your inbox, each weekday morning