Intermediates, isolation and mechanistic insights into zinc hydride-catalyzed 1, 2-regioselective hydrofunctionalization of N-heteroarenes

RK Sahoo, N Sarkar, S Nembenna - Inorganic Chemistry, 2022 - ACS Publications
The conjugated bis-guanidinate-supported zinc hydride [{LZnH} 2; L={(ArHN)(ArN)–C═ N–
C═(NAr)(NHAr); Ar= 2, 6-Et2-C6H3}](I)-catalyzed highly demanding exclusive 1, 2 …

Zinc-Catalyzed Chemoselective Reduction of Nitriles to N-Silylimines through Hydrosilylation: Insights into the Reaction Mechanism

RK Sahoo, S Nembenna - Inorganic Chemistry, 2023 - ACS Publications
The N, N′-chelated conjugated bis-guanidinate (CBG) supported zinc hydride (Zn-1) pre-
catalyzed highly challenging chemoselective mono-hydrosilylation of a wide range of nitriles …

Zinc Catalyzed Hydroelementation (HE; E= B, C, N, and O) of Carbodiimides: Intermediates Isolation and Mechanistic Insights

RK Sahoo, AG Patro, N Sarkar, S Nembenna - Organometallics, 2023 - ACS Publications
The conjugated bis-guanidinate (CBG) supported zinc hydride,[{LZnH} 2; L={(ArHN)(ArN)-
C═ N–C═(NAr)(NHAr); Ar= 2, 6-Et2-C6H3}](1)(pre)-catalyzed addition of E–H (E= B, C, N …

Zinc Hydride-Catalyzed Dihydroboration of Isonitriles and Nitriles: Mechanistic Studies with the Structurally Characterized Zinc Intermediates

RK Sahoo, S Rajput, S Dutta, K Sahu… - …, 2023 - ACS Publications
The conjugated bis-guanidinate (CBG)-stabilized zinc hydride,[{LZnH} 2;(L={(ArNH)(ArN)–
C═ N–C═(NAr)(NHAr)}; Ar= 2, 6-Et2-C6H3)](Zn-1), is shown to be a highly active catalyst …

Comparison of Two Zinc Hydride Precatalysts for Selective Dehydrogenative Borylation of Terminal Alkynes: A Detailed Mechanistic Study

RK Sahoo, AG Patro, N Sarkar, S Nembenna - ACS omega, 2023 - ACS Publications
The conjugated bis-guanidinate-stabilized zinc hydride complex (I)-precatalyzed
chemoselective dehydroborylation of a wide array of terminal alkynes with excellent yields is …

Organoaluminum Catalyzed Guanylation and Hydroboration Reactions of Carbodiimides

DK Nayak, N Sarkar, CM Sampath… - Zeitschrift für …, 2022 - Wiley Online Library
Herein, we report the guanylation of carbodiimides with primary and secondary alkyl/aryl
amines and the reduction of CDIs via hydroboration using molecular conjugated bis …

Zinc hydride catalyzed hydroboration of esters

AG Patro, RK Sahoo, S Nembenna - Dalton Transactions, 2024 - pubs.rsc.org
The conjugated bis-guanidinate (CBG)-supported zinc hydride {LZnH} 2; L={(ArHN)(ArN)–
CN–C (NAr)(NHAr); Ar= 2, 6-Et2-C6H3}(I) is utilized as a catalyst for the hydroboration of …

Aluminum-catalyzed selective hydroboration of carbonyls and dehydrocoupling of alcohols, phenols, amines, thiol, selenol, silanols with HBpin

N Sarkar, RK Sahoo, AG Patro, S Nembenna - Polyhedron, 2022 - Elsevier
Abstract A popular N, N'-chelated NacNac analogue, ie., conjugated bis-guanidinate (CBG)
stabilized aluminum dihydride LAlH 2 (1)[L={(ArHN)(ArN)–Cdouble bondN–C=(NAr)(NHAr)}; …

Germanium Hydride Catalyzed Selective Hydroboration and Cyanosilylation of Ketones

AP Khuntia, N Sarkar, AG Patro… - European Journal of …, 2022 - Wiley Online Library
Two new examples of β‐diketiminate or NacNac analogues, ie, conjugated bis‐guanidinate
(CBG) stabilized low valent germanium chloride (1) and germanium hydride (2) complexes …

Insights Into the Magnesium‐Catalyzed C− C Coupling of Terminal Alkynes with Carbodiimides

S Mukhopadhyay, S Rajput, RK Sahoo… - European Journal of …, 2024 - Wiley Online Library
The bis‐guanidinate anion stabilized amido magnesium (II) compound [LMgN (SiMe3) 2;
L={(ArHN)(ArN)− C= N− C=(NAr)(NHAr); Ar= 2, 6‐Et2− C6H3}](Mg‐1) has been synthesized …