For selected reviews see, Angew. Chem., Int. Ed, vol.4, pp.809-811, 1911. ,
, J. Med. Chem, vol.30, pp.1482-1489, 1987.
, Chem. Soc. Rev, vol.45, pp.1368-1386, 2016.
c) For a selected example on indene synthesis involving Alder-ene reaction see, Curr. Org. Chem, vol.22, pp.7427-7429, 2006. ,
, J. Am. Chem. Soc, vol.132, pp.2773-2783, 2010.
, Angew. Chem., Int. Ed, vol.53, pp.3227-3231, 2014.
, Chem. Soc. Rev, vol.42, pp.8434-8466, 2013.
, Adv. Synth. Catal, vol.357, pp.3611-3616, 2015.
, ACS Catal, vol.6, pp.1559-1564, 2016.
, Comprehensive Organic Synthesis II, pp.557-601, 2007.
For allene-ene cyclization see, For Alder-ene cyclization of ene-allenes at 120 °C see: (a), vol.71, pp.2055-2070, 2006. ,
, Angew. Chem., Int. Ed, vol.6, pp.989-1000, 2009.
For reviews on metal-catalyzed intramolecular Alder-ene see: (b), For review on non-catalyzed intramolecular Alder-ene see: (a), vol.17, pp.4884-4908, 1978. ,
c) For selected reviews see, For selected references on tandem allene formation/cyclization see: (a), vol.35, pp.458-471, 1994. ,
, Modern Allene Chemistry, pp.1091-1126, 2004.
, Modern Allene Chemistry, 2004.
, Org. Chem. Front, vol.1, pp.1210-1224, 2014.
, Angew. Chem., Int. Ed, vol.55, pp.3734-3738, 2016.
, Theor. Chem. Acc, vol.120, pp.215-241, 2008.
, For DFT a computational study of intermolecular Alder-ene reaction, see, J. Comput. Chem, vol.33, pp.509-516, 2012.
, Chem. -Eur. J, vol.20, pp.16034-16059, 2014.
c) For a more general overview see, Eur. J. Org. Chem, vol.78, pp.7089-7129, 2013. ,
, Chem. Phys. Lett, vol.149, pp.537-542, 1988.
For selected examples of studies of tunneling in hydrogen transfer isomerizations, see: (a), The imaginary frequency for the transition state is 2250 cm ?1 (according to Wigner's approximation, the rate constant for the hydrogen atom transfer should be increased by a factor 7, vol.19, pp.15276-15283, 1932. ,
For the evaluation of the M06-2X functional regarding the overestimation of the free energy of activation barrier of pericyclic reactions, see: (a), Comput. Theor. Chem, vol.976, pp.167-182, 2011. ,
, J. Phys. Chem. A, vol.115, pp.13906-13920, 2011.
, No significant difference in activation parameters was observed for the concerted pathways going through the diastereomeric transition structures (0.003 kcal mol ?1 )
For selected reports on enantioselective synthesis of indenes see: (a), Angew. Chem., Int. Ed, vol.49, pp.4633-4637, 2010. ,
, Angew. Chem., Int. Ed, vol.49, pp.13975-13979, 2010.
, Chem. -Eur. J, vol.23, pp.8375-8379, 2017.