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supramolecular polymerization. Polym Chem 5:53–56
80. Leng X, Choi C-F, Luo H-B, Cheng Y-K, Ng DKP (2007) Host-guest interactions of
4-carboxyphenoxy phthalocyanines and β-cyclodextrins in aqueous media. Org Lett
9:2497–2500
81. Liu K, Liu Y, Yao Y, Yuan H, Wang S, Wang Z, Zhang X (2013) Supramolecular photosensitizers with enhanced antibacterial efficiency. Angew Chem Int Ed Engl 52:8285–8289
82. McLeod D, Thoegersen MK, Jessen NI, Joergensen KA, Jamieson CS, Xue X-S, Houk KN,
Liu F, Hoffmann R (2019) Expanding the frontiers of higher-order cycloadditions. Acc Chem
Res 52:3488–3501
83. Woodward RB, Hoffmann R (1965) Stereochemistry of electrocyclic reactions. J Am Chem
Soc 87:395–397
84. Woodward RB, Hoffmann R (1969) Conservation of orbital symmetry. Angew Chem Int Ed
Engl 8:781–853
85. Pattabiraman M, Sivaguru J, Ramamurthy V (2018) Cucurbiturils as reaction containers for
photocycloaddition of olefins. Isr J Chem 58:264–275
86. Ramamurthy V, Parthasarathy A (2011) Chemistry in restricted spaces: select
photodimerizations in cages, cavities, and capsules. Isr J Chem 51:817–829
87. Hutchins KM, MacGillivray LR (2016) Crystal engineering [2 + 2] photodimerizations via
templates and hydrogen bonds: case of styrylthiophenes. Photochemistry 43:321–329
88. Natarajan A, Bhogala BR (2011) Bimolecular photoreactions in the crystalline state. In:
Ramamurthy V, Yoshihisa I (eds) Supramolecular photochemistry: controlling photochemical
processes. John Wiley & Sons, Inc, Hoboken, NJ, pp 175–228
89. Green BS, Lahav M, Schmidt GMJ (1975) Reactions in chiral crystals. Principles governing
asymmetric synthesis via topochemically controlled solid-state photodimerization. Mol Cryst
Liq Cryst 29:187–200
90. Pattabiraman M, Kaanumalle LS, Natarajan A, Ramamurthy V (2006) Regioselective
photodimerization of cinnamic acids in water: templation with cucurbiturils. Langmuir
22:7605–7609
91. Pattabiraman M, Natarajan A, Kaanumalle LS, Ramamurthy V (2005) Templating
photodimerization of trans-cinnamic acids with cucurbit[8]uril and gamma-cyclodextrin.
Org Lett 7:529–532
92. Nguyen N, Clements AR, Pattabiraman M (2016) Using non-covalent interactions to direct
regioselective 2+2 photocycloaddition within a macrocyclic cavitand. New J Chem
40:2433–2443
93. Kashyap A, Bokosike TK, Bhuvanesh N, Pattabiraman M (2018) Stereo- and regioselective
photocycloaddition of extended alkenes using γ-cyclodextrin. Org Biomol Chem
16:6870–6875
94. Wang HM, Wenz G (2013) Topochemical control of the photodimerization of aromatic
compounds by gamma-cyclodextrin thioethers in aqueous solution. Beilstein J Org Chem
9:1858–1866
95. Yang C, Mori T, Origane Y, Ko YH, Selvapalam N, Kim K, Inoue Y (2008) Highly
stereoselective photocyclodimerization of alpha-cyclodextrin-appended anthracene mediated
by gamma-cyclodextrin and cucurbit[8]uril: a dramatic steric effect operating outside the
binding site. J Am Chem Soc 130:8574–8575
96. Yoshizawa M, Takeyama Y, Okano T, Fujita M (2003) Cavity-directed synthesis within a selfassembled coordination cage: highly selective [2 + 2] cross-photodimerization of olefins. J Am
Chem Soc 125:3243–3247
368
M. Pattabiraman and A. Natarajan
in water-d2 using 9,10-anthracenedipropionic acid, a water-soluble probe. J Am Chem Soc
102:5590–5593
79. Liu Y, Huang Z, Liu K, Kelgtermans H, Dehaen W, Wang Z, Zhang X (2014) Porphyrincontaining hyperbranched supramolecular polymers: enhancing 1O2-generation efficiency by
supramolecular polymerization. Polym Chem 5:53–56
80. Leng X, Choi C-F, Luo H-B, Cheng Y-K, Ng DKP (2007) Host-guest interactions of
4-carboxyphenoxy phthalocyanines and β-cyclodextrins in aqueous media. Org Lett
9:2497–2500
81. Liu K, Liu Y, Yao Y, Yuan H, Wang S, Wang Z, Zhang X (2013) Supramolecular photosensitizers with enhanced antibacterial efficiency. Angew Chem Int Ed Engl 52:8285–8289
82. McLeod D, Thoegersen MK, Jessen NI, Joergensen KA, Jamieson CS, Xue X-S, Houk KN,
Liu F, Hoffmann R (2019) Expanding the frontiers of higher-order cycloadditions. Acc Chem
Res 52:3488–3501
83. Woodward RB, Hoffmann R (1965) Stereochemistry of electrocyclic reactions. J Am Chem
Soc 87:395–397
84. Woodward RB, Hoffmann R (1969) Conservation of orbital symmetry. Angew Chem Int Ed
Engl 8:781–853
85. Pattabiraman M, Sivaguru J, Ramamurthy V (2018) Cucurbiturils as reaction containers for
photocycloaddition of olefins. Isr J Chem 58:264–275
86. Ramamurthy V, Parthasarathy A (2011) Chemistry in restricted spaces: select
photodimerizations in cages, cavities, and capsules. Isr J Chem 51:817–829
87. Hutchins KM, MacGillivray LR (2016) Crystal engineering [2 + 2] photodimerizations via
templates and hydrogen bonds: case of styrylthiophenes. Photochemistry 43:321–329
88. Natarajan A, Bhogala BR (2011) Bimolecular photoreactions in the crystalline state. In:
Ramamurthy V, Yoshihisa I (eds) Supramolecular photochemistry: controlling photochemical
processes. John Wiley & Sons, Inc, Hoboken, NJ, pp 175–228
89. Green BS, Lahav M, Schmidt GMJ (1975) Reactions in chiral crystals. Principles governing
asymmetric synthesis via topochemically controlled solid-state photodimerization. Mol Cryst
Liq Cryst 29:187–200
90. Pattabiraman M, Kaanumalle LS, Natarajan A, Ramamurthy V (2006) Regioselective
photodimerization of cinnamic acids in water: templation with cucurbiturils. Langmuir
22:7605–7609
91. Pattabiraman M, Natarajan A, Kaanumalle LS, Ramamurthy V (2005) Templating
photodimerization of trans-cinnamic acids with cucurbit[8]uril and gamma-cyclodextrin.
Org Lett 7:529–532
92. Nguyen N, Clements AR, Pattabiraman M (2016) Using non-covalent interactions to direct
regioselective 2+2 photocycloaddition within a macrocyclic cavitand. New J Chem
40:2433–2443
93. Kashyap A, Bokosike TK, Bhuvanesh N, Pattabiraman M (2018) Stereo- and regioselective
photocycloaddition of extended alkenes using γ-cyclodextrin. Org Biomol Chem
16:6870–6875
94. Wang HM, Wenz G (2013) Topochemical control of the photodimerization of aromatic
compounds by gamma-cyclodextrin thioethers in aqueous solution. Beilstein J Org Chem
9:1858–1866
95. Yang C, Mori T, Origane Y, Ko YH, Selvapalam N, Kim K, Inoue Y (2008) Highly
stereoselective photocyclodimerization of alpha-cyclodextrin-appended anthracene mediated
by gamma-cyclodextrin and cucurbit[8]uril: a dramatic steric effect operating outside the
binding site. J Am Chem Soc 130:8574–8575
96. Yoshizawa M, Takeyama Y, Okano T, Fujita M (2003) Cavity-directed synthesis within a selfassembled coordination cage: highly selective [2 + 2] cross-photodimerization of olefins. J Am
Chem Soc 125:3243–3247
368
M. Pattabiraman and A. Natarajan