309
102. Xu C, Huang B, Yan T, Cai M (2018) A recyclable and reusable K2PtCl4/Xphos-SO3Na/
PEG-400/H2O system for highly regio- and stereoselective hydrosilylation of terminal
alkynes. Green Chem. 20:391
103. Yedage SL, Bhanage BM (2016) Ru(ii)/PEG-400 as a highly efficient and recyclable
catalytic media for annulation and olefination reactions via C–H bond activation. Green
Chem. 18:5635
104. Zhao H, Zhang T, Yan T, Cai M (2015) Recyclable and Reusable [RuCl2(p-cymene)]2/
Cu(OAc)2/PEG-400/H2O System for Oxidative C–H Bond Alkenylations: Green Synthesis
of Phthalides. J. Org. Chem. 80:8849
105. Yedage SL, Bhanage BM (2017) tert-Butyl Nitrite-Mediated Synthesis of N-Nitrosoamides,
Carboxylic Acids, Benzocoumarins, and Isocoumarins from Amides. J. Org. Chem. 82:5769
106. Deshmukh DS, Bhanage BM (2018) N-Tosylhydrazone directed annulation via C–H/N–N
bond activation in Ru(ii)/PEG-400 as homogeneous recyclable catalytic system: a green synthesis of isoquinolines. Org. Biomol. Chem. 16:4864
107. Deshmukh DS, Gangwar N, Bhanage BM (2019) Rapid and Atom Economic Synthesis
of Isoquinolines and Isoquinolinones by C–H/N–N Activation Using a Homogeneous
Recyclable Ruthenium Catalyst in PEG Media. Eur Journal of Organic Chemistry 2019:2919
108. Jian L, He H-Y, Huang J, Wu Q-H, Yuan M-L, Fu H-Y, Zheng X-L, Chen H, Li R-X (2017)
Combination of RuCl3·xH2O with PEG – a simple and recyclable catalytic system for direct
arylation of heteroarenes via C–H bond activation. RSC Adv. 7:23515
109. Ferlin F, Reddy Yetra S, Warratz S, Vaccaro L, Ackermann L (2019) Reusable Pd@PEG
Catalyst for Aerobic Dehydrogenative C−H/C−H Arylations of 1,2,3‐Triazoles. Chemistry
A European journal 25:11427
110. Tao L-M, Li C-H, Chen J, Liu H (2019) Cobalt(III)-Catalyzed Oxidative Annulation of
Benzaldehydes with Internal Alkynes via C-H Functionalization in Poly(ethylene glycol).
J. Org. Chem. 84:6807
111. Chen Z, Wang B, Zhang J, Yu W, Liu Z, Zhang Y (2015) Transition metal-catalyzed C–H
bond functionalizations by the use of diverse directing groups. Org. Chem. Front. 2:1107
112. Sun H, Guimond N, Huang Y (2016) Advances in the development of catalytic tethering
directing groups for C–H functionalization reactions. Org. Biomol. Chem. 14: 8389
113. Rousseau G, Breit B (2011) Removable directing groups in organic synthesis and catalysis.
Angew. Chem. Int. Ed. 50:2450
114. Murai S, Kakiuchi F, Sekine S, Tanaka Y, Kamatani A, Sonoda M, Chatani N (1993) Efficient
catalytic addition of aromatic carbon-hydrogen bonds to olefins. Nature 366:529
115. Stuart DR, Bertrand-Laperle M, Burgess KMN, Fagnou K (2008) Indole Synthesis via
Rhodium Catalyzed Oxidative Coupling of Acetanilides and Internal Alkynes. J. Am. Chem.
Soc. 130:16474
116. Rakshit S, Patureau FW, Glorius F (2010) Pyrrole Synthesis via Allylic sp3 C−H Activation
of Enamines Followed by Intermolecular Coupling with Unactivated Alkynes. J. Am. Chem.
Soc. 132:9585
117. Song G, Chen D, Pan C-L, Crabtree RH, Li X (2010) Rh-Catalyzed Oxidative Coupling
between Primary and Secondary Benzamides and Alkynes: Synthesis of Polycyclic Amides.
J. Org. Chem. 75:7487
118. Guimond N, Fagnou K (2009) Isoquinoline Synthesis via Rhodium-Catalyzed Oxidative
Cross-Coupling/Cyclization of Aryl Aldimines and Alkynes. J. Am. Chem. Soc. 131:12050
119. Hyster TK, Rovis T (2010) Rhodium-Catalyzed Oxidative Cycloaddition of Benzamides and
Alkynes via C−H/N−H Activation. J. Am. Chem. Soc. 132:10565
120. Warratz S, Kornhaaß C, Cajaraville A, NiepötteWarratz S, Kornhaaß C, Cajaraville A,
Niepötter B, Stalke D, Ackermann L (2015) Ruthenium(II)-catalyzed C-H activation/alkyne
annulation by weak coordination with O2 as the sole oxidant. Angew. Chem. Int. Ed. 54:5513r
B, Stalke D, Ackermann L (2015) Angew Chem Int Ed 54:5513
Insights into Sustainable C–H Bond Activation
102. Xu C, Huang B, Yan T, Cai M (2018) A recyclable and reusable K2PtCl4/Xphos-SO3Na/
PEG-400/H2O system for highly regio- and stereoselective hydrosilylation of terminal
alkynes. Green Chem. 20:391
103. Yedage SL, Bhanage BM (2016) Ru(ii)/PEG-400 as a highly efficient and recyclable
catalytic media for annulation and olefination reactions via C–H bond activation. Green
Chem. 18:5635
104. Zhao H, Zhang T, Yan T, Cai M (2015) Recyclable and Reusable [RuCl2(p-cymene)]2/
Cu(OAc)2/PEG-400/H2O System for Oxidative C–H Bond Alkenylations: Green Synthesis
of Phthalides. J. Org. Chem. 80:8849
105. Yedage SL, Bhanage BM (2017) tert-Butyl Nitrite-Mediated Synthesis of N-Nitrosoamides,
Carboxylic Acids, Benzocoumarins, and Isocoumarins from Amides. J. Org. Chem. 82:5769
106. Deshmukh DS, Bhanage BM (2018) N-Tosylhydrazone directed annulation via C–H/N–N
bond activation in Ru(ii)/PEG-400 as homogeneous recyclable catalytic system: a green synthesis of isoquinolines. Org. Biomol. Chem. 16:4864
107. Deshmukh DS, Gangwar N, Bhanage BM (2019) Rapid and Atom Economic Synthesis
of Isoquinolines and Isoquinolinones by C–H/N–N Activation Using a Homogeneous
Recyclable Ruthenium Catalyst in PEG Media. Eur Journal of Organic Chemistry 2019:2919
108. Jian L, He H-Y, Huang J, Wu Q-H, Yuan M-L, Fu H-Y, Zheng X-L, Chen H, Li R-X (2017)
Combination of RuCl3·xH2O with PEG – a simple and recyclable catalytic system for direct
arylation of heteroarenes via C–H bond activation. RSC Adv. 7:23515
109. Ferlin F, Reddy Yetra S, Warratz S, Vaccaro L, Ackermann L (2019) Reusable Pd@PEG
Catalyst for Aerobic Dehydrogenative C−H/C−H Arylations of 1,2,3‐Triazoles. Chemistry
A European journal 25:11427
110. Tao L-M, Li C-H, Chen J, Liu H (2019) Cobalt(III)-Catalyzed Oxidative Annulation of
Benzaldehydes with Internal Alkynes via C-H Functionalization in Poly(ethylene glycol).
J. Org. Chem. 84:6807
111. Chen Z, Wang B, Zhang J, Yu W, Liu Z, Zhang Y (2015) Transition metal-catalyzed C–H
bond functionalizations by the use of diverse directing groups. Org. Chem. Front. 2:1107
112. Sun H, Guimond N, Huang Y (2016) Advances in the development of catalytic tethering
directing groups for C–H functionalization reactions. Org. Biomol. Chem. 14: 8389
113. Rousseau G, Breit B (2011) Removable directing groups in organic synthesis and catalysis.
Angew. Chem. Int. Ed. 50:2450
114. Murai S, Kakiuchi F, Sekine S, Tanaka Y, Kamatani A, Sonoda M, Chatani N (1993) Efficient
catalytic addition of aromatic carbon-hydrogen bonds to olefins. Nature 366:529
115. Stuart DR, Bertrand-Laperle M, Burgess KMN, Fagnou K (2008) Indole Synthesis via
Rhodium Catalyzed Oxidative Coupling of Acetanilides and Internal Alkynes. J. Am. Chem.
Soc. 130:16474
116. Rakshit S, Patureau FW, Glorius F (2010) Pyrrole Synthesis via Allylic sp3 C−H Activation
of Enamines Followed by Intermolecular Coupling with Unactivated Alkynes. J. Am. Chem.
Soc. 132:9585
117. Song G, Chen D, Pan C-L, Crabtree RH, Li X (2010) Rh-Catalyzed Oxidative Coupling
between Primary and Secondary Benzamides and Alkynes: Synthesis of Polycyclic Amides.
J. Org. Chem. 75:7487
118. Guimond N, Fagnou K (2009) Isoquinoline Synthesis via Rhodium-Catalyzed Oxidative
Cross-Coupling/Cyclization of Aryl Aldimines and Alkynes. J. Am. Chem. Soc. 131:12050
119. Hyster TK, Rovis T (2010) Rhodium-Catalyzed Oxidative Cycloaddition of Benzamides and
Alkynes via C−H/N−H Activation. J. Am. Chem. Soc. 132:10565
120. Warratz S, Kornhaaß C, Cajaraville A, NiepötteWarratz S, Kornhaaß C, Cajaraville A,
Niepötter B, Stalke D, Ackermann L (2015) Ruthenium(II)-catalyzed C-H activation/alkyne
annulation by weak coordination with O2 as the sole oxidant. Angew. Chem. Int. Ed. 54:5513r
B, Stalke D, Ackermann L (2015) Angew Chem Int Ed 54:5513
Insights into Sustainable C–H Bond Activation