<SEC-DOCUMENT>0001209191-14-041251.txt : 20140624
<SEC-HEADER>0001209191-14-041251.hdr.sgml : 20140624
<ACCEPTANCE-DATETIME>20140613152342
ACCESSION NUMBER:		0001209191-14-041251
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20140611
FILED AS OF DATE:		20140613
DATE AS OF CHANGE:		20140613

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SCYNEXIS INC
		CENTRAL INDEX KEY:			0001178253
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3501-C TRICENTER BLVD
		CITY:			DURHAM
		STATE:			NC
		ZIP:			27713
		BUSINESS PHONE:		919-544-8600

	MAIL ADDRESS:	
		STREET 1:		3501-C TRICENTER BLVD
		CITY:			DURHAM
		STATE:			NC
		ZIP:			27713

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Langlois Patrick
		CENTRAL INDEX KEY:			0001335313

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36365
		FILM NUMBER:		14909971

	MAIL ADDRESS:	
		STREET 1:		C/O COLEY PHARMACEUTICAL GROUP, INC.
		STREET 2:		93 WORCESTER STREET, SUITE 101
		CITY:			WELLESLEY
		STATE:			MA
		ZIP:			02481
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2014-06-11</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001178253</issuerCik>
        <issuerName>SCYNEXIS INC</issuerName>
        <issuerTradingSymbol>SCYX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001335313</rptOwnerCik>
            <rptOwnerName>Langlois Patrick</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SCYNEXIS, INC.,</rptOwnerStreet1>
            <rptOwnerStreet2>3501 C TRICENTER BOULEVARD</rptOwnerStreet2>
            <rptOwnerCity>DURHAM</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>27713</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>8.73</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2014-06-11</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3480</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2024-06-10</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3480</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3480</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">One-hundred percent (100%) of the shares subject to the option vest on the earlier of (i) the first anniversary of the date of grant, and (ii) the date of the next Annual Meeting of Stockholders of the Issuer.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Eileen Pruette, by power of attorney</signatureName>
        <signatureDate>2014-06-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
